UDS2100
User Guide
Part Number 900-448
Revision D January 2009
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Contents
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C: Binary to Hexadecimal Conversions
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Contents
Figures
Tables
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1: Using This Guide
Purpose and Audience
This guide provides the information needed to configure, use, and update the
UDS2100 device server. It is for system administrators and those responsible for
installing and maintaining the UDS.
Chapter Summary
Table 1-1. Chapter Summary
The remaining chapters in this guide
Chapter
Description
Describes the main features of the UDS and the protocols it
supports.
Provides information for installing your unit and getting it up and
running using DeviceInstaller or a serial port connection.
Details using the Web Manager to set parameters such as port
and server properties.
Provides instructions for accessing Setup Mode (command line
interface) using a Telnet connection through the network or a
terminal or terminal emulation program through the serial port.
Details the network (server) settings.
Details the serial port settings.
Details expert and security settings and explains how to reset
the unit to factory default values.
Provides instructions for obtaining the latest firmware and
updating the UDS.
Provides instructions for accessing and using the command line
interface to monitor the network and diagnose problems.
contact Lantronix Technical Support.
Provides descriptions and illustrations of connection hardware.
Lists technical specifications for the UDS.
Provides drawings and dimensions of the unit's mounting
brackets.
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1: Using This Guide
Chapter
Description
BOOTP ARP, and Telnet to assign an IP address.
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Documentation Update
For the latest revision of this product document, please check our online
Additional Documentation
The following information is available on the product CD or the Lantronix Web site
Description
Document
UDS1100/2100 Quick Start
Provides the steps for getting the UDS2100 up and
running.
DeviceInstaller Online Help
Provides instructions for using the Windows-based utility
to configure the UDS2100 and other Lantronix device
servers.
“Live” Tutorials on the
Lantronix Web Site (English)
Explain and demonstrate assigning an IP address to the
UDS and setting up the UDS and Com Port Redirector.
Com Port Redirector Quick
Start and Online Help
Provides information on using the Windows-based utility
to create a virtual com port.
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2: Introduction
The UDS2100 is a 2-port device server that provides a quick, simple, and cost-
effective way to bring the advantages of data accessibility and remote management
to devices not currently connected to a network.
Applications
The UDS family of Device Servers allows serial devices, such as those listed below,
to connect and communicate over Ethernet networks using the IP protocol family
(TCP for connection-oriented stream applications and UDP for datagram
applications).
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Security alarms
Access control devices
Fire control panels
Time/attendance clocks and terminals
ATM machines
Data collection devices
RFID readers
Universal Power Supply (UPS) management units
Telecommunications equipment
Data display devices
Virtually any asynchronous RS-232, RS422, or RS485 device
Application Examples
Using a method called serial tunneling, the UDS encapsulates serial data into
packets and transports them over Ethernet. Using two UDS units, connected by a
network, virtual serial connections can extend across a facility or around the world.
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2: Introduction
Figure 2-1. Serial Tunneling Example
The Com Port Redirector software included on the product CD simplifies the
integration process by extending the functionality of COM-port-based Windows™
applications. Virtual COM ports, mapped to remote device servers on the network,
can replace direct serial connections.
Figure 2-2. Direct TCP/IP or Redirector Configuration
Note: For step-by-step instructions on configuring the UDS for serial tunneling or for
use with the Com Port Redirector, see UDS Configuration Tutorials on the Lantronix
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2: Introduction
Protocol Support
The UDS uses the Internet Protocol (IP) for network communications and the
Transmission Control Protocol (TCP) to assure that no data is lost or duplicated and
that everything sent to the connection arrives correctly at the target.
Supported protocols include:
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ARP, UDP, TCP, ICMP, Telnet, TFTP, AutoIP, DHCP, HTTP, and SNMP for
network communications.
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TCP, UDP, and Telnet for connections to the serial port.
TFTP for firmware updates.
IP for addressing, routing, and data block handling over the network.
User Datagram Protocol (UDP) for typical datagram applications in which
devices interact with other devices without a point-to-point connection.
Additional Features
Modem Emulation: In modem emulation mode, the UDS can replace dial-up
modems. The unit accepts modem AT commands on the serial port and then
establishes a network connection to the end device. This arrangement leverages
network connections and bandwidth to eliminate dedicated modems and phone lines.
Built-in Web Server: The UDS includes a built-in web server for configuring the unit
and displaying operating and troubleshooting information on the attached links to
online support.
Configuration Methods
After installation, the UDS requires configuration. For the unit to operate correctly on
a network, it must have a unique IP address on the network. There are three basic
methods for logging into the UDS and assigning IP addresses and other configurable
settings:
DeviceInstaller: Configure the IP address and other network settings on the UDS
using a Graphical User Interface (GUI) on a PC attached to a network.
Web Manager: Through a web browser, configure the UDS settings using the
Serial and Telnet Ports: Use Setup Mode, a command line interface. There are two
approaches to accessing Setup Mode: making a Telnet connection to the network
port (9999) or connecting a terminal (or a PC running a terminal emulation program)
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2: Introduction
Product Information Label
The product information label on the underside of the unit contains the following
information about your specific unit:
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Bar code
Serial number
Product ID (name)
Product description
Hardware address (also referred to as the Ethernet or MAC address)
The first three bytes of the hardware address are fixed and read 00-20-4A, identifying
the unit as a Lantronix product. The fourth, fifth, and sixth bytes are unique numbers
assigned to each unit.
Figure 2-3. Sample Hardware Address
00-20-4A-14-01-18 or 00:20:4A:14:01:18
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3: Getting Started
This chapter describes how to get your UDS up and running in the shortest possible
time.
Package Contents
Verify and inspect the contents of the UDS2100 package using the following list. If
any item is missing or damaged, contact your place of purchase immediately.
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UDS2100
DB9F to DB9F Null Modem Cable (P/N 500-164)
Power supply
CD with UDS2100 User Guide and utilities (DeviceInstaller and Com Port
Redirector)
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Quick Start Guide
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3: Getting Started
Installing the UDS
Figure 3-1. UDS2100 Connected to Serial Device and Network
To install the unit:
To install the unit, complete the following steps in order. Refer to the numbers in the
previous figure.
about what kinds of device attachments the unit supports.
2. Connect an Ethernet cable to the 10/100 port.
3. Supply power to your unit using the power supply that was included in the
packaging.
Note: The required input voltage is 9-30 VDC (center +)
(1.8W maximum power).
4. Supply power to the serial device.
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3: Getting Started
Required Information
Before configuring the UDS, have the following information available:
Hardware Address
Take note of the unit’s hardware address (also known as the Ethernet or MAC
address). It is on the product label, in the format: 00-20-4a-XX-XX-XX, where the XXs
are unique numbers assigned to the product
Hardware Address: 00-20-4a-_____-_____-_____
IP Address
The UDS must have a unique IP address on your network. This address references
the specific unit. By default, the unit is DHCP-enabled and automatically assigned an
IP address on DHCP-enabled networks. If you are assigning a static IP address, the
systems administrator generally provides the IP address, subnet mask, and gateway.
Note: The factory default IP address is 0.0.0.0 to enable DHCP, BOOTP,
and AutoIP. When the units boots, it sends a DHCP broadcast to try and get
an IP address. If it receives no reply from a DHCP server, the UDS tries
BOOTP. If the UDS does not receive a response from BOOTP, it reverts to
an AutoIP address.
IP Address:
_______ _______ _______ _______
Subnet Mask: _______ _______ _______ _______
Gateway:
_______ _______ _______ _______
You have several options for assigning an IP address and related network settings to
your unit. This chapter provides information about using the DeviceInstaller (graphical
user interface) and serial port login (command line interface) methods.
Note: For information about other methods of assigning the IP address, such
as DHCP, AutoIP, ARP, and Telnet, see B: Alternative Ways to Assign an IP
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3: Getting Started
Assigning the IP Address: DeviceInstaller
This chapter covers the steps for getting the UDS2100 device server online and for
viewing its current configuration.
Note: DeviceInstaller online Help provides more detailed information on
using DeviceInstaller.
Installing DeviceInstaller
To use the DeviceInstaller utility, first install it from the product CD.
1. Insert the product CD into your CD-ROM drive. The Lantronix UDS2100
DeviceInstaller window displays.
2. If the CD does not launch automatically:
a) Click the Start button on the Task Bar and select Run.
b) Enter your CD drive letter, colon, backslash, Launch.exe (e.g.,
D:\Launch.exe).
3. Click the DeviceInstaller button.
4. Respond to the installation wizard prompts. (When prompted to select an
installation type, select Typical.)
Assigning an IP Address
The unit’s IP address must be configured before it can work correctly on a network.
The unit’s IP address is normally set to 0.0.0.0 at the factory. The hardware address
is on the product label. The unit is DHCP enabled as the default.
To assign an IP address manually:
1. Click StartꢁPrograms ꢁLantronixꢁDeviceInstallerꢁDeviceInstaller. If your
PC has more than one network adapter, a message displays. Select an adapter
and click OK.
Note: If the unit already has an IP address (e.g., DHCP has assigned an
IP address), click the Search icon
and select the unit from the list of
Lantronix device servers on the local network.
2. Click the Assign IP icon
.
3. If prompted, enter the hardware address (on the product label) and click Next.
4. Select Assign a specific IP address and click Next.
5. Enter the IP address. The Subnet mask displays automatically based on the IP
address; if desired, you may change it. On a local network, you can leave the
Default gateway blank (all zeros). Click Next.
6. Click the Assign button and wait several seconds until a confirmation message
displays. Click Finish.
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3: Getting Started
7. Select the device from the main window list and select Ping from the Tools
menu. The Ping Device dialog box shows the IP address of the selected unit.
8. From the Tools menu, click the Ping button. The results display in the Status
window. Click the Clear Status button to clear the window so you can ping the
device again.
Note: If you do not receive “Reply” messages, make sure the unit is
attached to the network properly and the IP address assigned is valid for
the particular network segment you are working with. If you are not sure,
check with your systems administrator.
9. Click the Close button to close the dialog box and return to the main window.
Adding the Unit to the Manage List
Now add the unit to the list of similar Lantronix devices on the network so you can
manage and configure it. To perform this step, click the Search icon.
DeviceInstaller locates the unit and adds it to the list. Now you can manage
(configure) the unit so it works with the serial device on the network.
Accessing the UDS2100 Using DeviceInstaller
1. Click StartꢁPrograms ꢁLantronixꢁDeviceInstallerꢁDeviceInstaller.
2. Click the UDS folder. The list of available Lantronix UDS2100 devices displays.
3. Expand the list of UDS2100s by clicking the + symbol next to the UDS2100 icon.
Select the UDS2100 unit by clicking on its IP address to view its configuration.
Viewing the Current Configuration
DeviceInstaller provides a view of the unit's configuration.
To view the unit's current settings:
1. Follow the instructions above to locate the UDS2100.
2. In the right pane, click the Device Details tab. The current UDS2100
configuration displays:
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3: Getting Started
Table 3-1. Current Configuration
Description
Setting
Name
Configurable field. A name that identifies the UDS2100.
Double-click the field, type in the value, and press Enter to
complete. This name is not visible on other PCs or laptops
using DeviceInstaller.
Group
Configurable field. A group name to categorize the UDS2100.
Double-click the field, type in the value, and press Enter to
complete. This group name is not visible on other PCs or
laptops using DeviceInstaller.
Comments
Configurable field. Information about the UDS2100. Double-
click the field, type in the value, and press Enter to complete.
This description or comment is not visible on other PCs or
laptops using DeviceInstaller.
Device Family
Type
Displays the UDS2100’s device family as UDS.
Displays the device type as UDS2100.
ID
Displays the UDS2100’s ID embedded within the box.
Displays the UDS2100’s hardware (or MAC) address.
Displays the firmware currently installed on the UDS2100.
Displays the full version nomenclature of the firmware.
Hardware Address
Firmware Version
Extended Firmware
Version
Online Status
Displays the UDS2100’s status as online, offline, unreachable
(the UDS2100 is on a different subnet), or busy (the UDS2100
is currently performing a task).
IP Address
Non-configurable field. Displays the UDS2100’s current IP
address. To change the IP address, see Assigning an IP
IP Address was Obtained
Subnet Mask
Gateway
Non-configurable field. Indicates whether the current IP
address on the UDS2100 was set manually or assigned by
DHCP.
Non-configurable field. Displays the UDS2100’s current
subnet mask. To change the subnet mask, see Assigning an
Non-configurable field. Displays the UDS2100’s current
gateway. To change the gateway, see Assigning an IP
Number of COB partitions
supported
Non-configurable field. Displays the number of COB partitions
supported.
Number of Ports
Non-configurable field. Displays the number of ports on the
UDS2100.
TCP Keepalive
Non-configurable field. Displays the UDS2100’s TCP
keepalive value. The value is in the range 1-65s, and the
default setting is 45.
Telnet Enabled
Non-configurable field. Permits Telnet sessions.
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3: Getting Started
Description
Setting
Telnet Port
Non-configurable field. Displays the UDS2100’s port for telnet
sessions.
Web Enabled
Web Port
Non-configurable field. Permits configuration through Web-
Manager.
Non-configurable field. Displays the UDS2100’s port for Web-
Manager configuration.
Maximum Baud Rate
Supported
Non-configurable field. Displays the UDS2100’s maximum
baud rate.
Note: The UDS2100 may not currently be running at this rate.
Firmware Upgradeable
Non-configurable field. Displays True, indicating the
UDS2100’s firmware is upgradeable as newer version
become available.
Supports Configurable
Pins
Non-configurable field. Displays False.
Supports Email Triggers
Non-configurable field. Displays False.
Supports AES Data
Stream
Non-configurable field. Displays False.
Supports 485
Non-configurable field. Displays True. The UDS2100 supports
the RS-485 protocol.
Supports 920K Baud Rate
Non-configurable field. Displays True. UDS2100 supports a
baud rate of 921600.
Supports HTTP Server
Supports HTTP Setup
Supports 230K Baud Rate
Non-configurable field. Displays True.
Non-configurable field. Displays True.
Non-configurable field. Displays True. UDS2100 supports a
baud rate of 230400.
Supports GPIO
Non-configurable field. Displays False.
Next Step
You have the following options:
To configure the unit using a Web browser:
1. Click the Web Configuration tab.
2. Do one of the following:
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To view the Web Manager in the current DeviceInstaller window, click the Go
button.
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To open the Web Manager in a web browser, click the External Browser
button.
The Web Manager displays. A user and password dialog box displays.
3. By default, no user and password are configured, so just press OK.
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3: Getting Started
Note: Alternatively, to open Web Manager, open your web browser and
enter the IP address of the unit.
To configure the unit using a Telnet session:
1. Click the Telnet Configuration tab. The Setup Mode window displays.
2. Press Enter within 5 seconds.
Assigning the IP Address: Serial Port Login
To assign the IP address and other network settings using a serial connection:
1. Connect a console terminal or a PC running a terminal emulation program to the
unit's serial port. The default serial port settings are 9600 baud, 8 bits, no
parity, 1 stop bit, no flow control.
2. To enter Setup Mode, cycle the unit's power (power off and back on). After
power-up, the self-test begins and the red Diagnostic LED starts blinking. You
have one second to enter three lowercase x characters.
Note: The easiest way to enter Setup Mode is to hold down the x key at
the terminal (or emulation) while powering up the unit.
3. Select 0 (Server Configuration) and follow the prompts until you get to
IP address.
4. Enter the new IP address, subnet mask, and gateway (if applicable).
5. Do one of the following:
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Select 9 to save and exit Setup Mode. The unit performs a power reset.
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4: Configuration Using Web Manager
You must configure the unit so it can communicate on a network with your serial
device. For example, you must set the way the unit will respond to serial and network
traffic, how it will handle serial packets, and when to start or close a connection.
The unit’s configuration is stored in nonvolatile memory and is retained without
power. You can change the configuration at any time. The unit performs a reset after
you change and store the configuration.
In this chapter, we describe how to configure the UDS2100 using Web Manager,
Lantronix’s browser-based configuration tool. (For information on using Setup Mode,
our command line configuration interface, see 5: Configuration via Telnet or Serial
Note: The examples in this section show a typical device. Your device may have
different configuration options.
Accessing UDS2100 Using DeviceInstaller
Note: Make note of the hardware (MAC) address. You will need it to locate
the UDS2100 using DeviceInstaller. For more information on the hardware
Follow the instructions on the product CD to install and run DeviceInstaller.
1. Click StartꢁPrograms ꢁLantronixꢁDeviceInstallerꢁDeviceInstaller. If the
PC has more than one network adapter, a message displays requesting the
selection of a network adapter. Select an adapter and click OK.
2. Click the Search icon
. The list of Lantronix device servers displays in the left
pane.
3. Click the UDS folder. The list of available UDS products displays.
4. Expand the list of UDS2100s by clicking the + symbol next to the UDS2100 icon.
5. Select the UDS2100 unit by clicking its hardware address.
6. In the right pane, click the Web Configuration tab.
7. To view the UDS2100’s Web Manager in the current DeviceInstaller window,
click the Go button. To open the Web Manager in a web browser, click the
External Browser button. The Web Manager displays.
Note: Alternatively, to open Web Manager, open your web browser and enter
the IP address of the UDS2100.
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4: Configuration Using Web Manager
Figure 4-1. Lantronix Web Manager
The main menu is in the left pane of the Web Manager window.
Network Configuration
The unit’s network values display when you select Network from the main menu. The
following sections describe the configurable parameters on the Network Settings
page.
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4: Configuration Using Web Manager
Figure 4-2. Network Settings
Automatic IP Address Configuration
An IP address can be assigned automatically. You then enter related network
settings.
Note: Network Mode is Wired Only.
To assign an IP address automatically:
1. On the main menu, click Network.
2. Select Obtain IP address automatically.
3. Enter the following (as necessary):
BOOTP
Select Enable to permit the Bootstrap Protocol (BOOTP)
server to assign the IP address from a pool of addresses
automatically. Enable is the default.
DHCP
Select Enable to permit the Dynamic Host Configuration
Protocol (DHCP) to assign a leased IP address to the
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4: Configuration Using Web Manager
UDS2100 unit automatically. Enable is the default.
AutoIP
Select Enable to permit the UDS2100 to generate an IP in the
169.254.x.x address range with a Class B subnet. Enable is
the default.
DHCP Host Name
Enter the name of the host on the network providing the IP
address.
Note: Disabling BOOTP, DHCP, and AutoIP (all three checkboxes) is not
advised as the only available IP assignment method will then be ARP or
serial port.
4. When you are finished, click the OK button.
5. On the main menu, click Apply Settings.
Static IP Address Configuration
You can manually assign an IP address to the unit and enter related network
settings.
To assign an IP address manually:
1. On the main menu, click Network.
2. Select Use the following IP configuration.
3. Enter the following (as necessary):
IP Address
If DHCP is not used to assign IP addresses, enter it manually
in decimal-dot notation. The IP address must be set to a
unique value in the network.
Subnet Mask
A subnet mask defines the number of bits taken from the IP
address that are assigned for the host part.
Default Gateway
The gateway address, or router, allows communication to
other LAN segments. The gateway address should be the IP
address of the router connected to the same LAN segment as
the unit. The gateway address must be within the local
network.
DNS Server
The DNS server allows the name of a remote machine to be
resolved automatically. Enter the IP address of the DNS
server. If the device is DHCP enabled, the DHCP server
provides the DNS server IP address, which will override this
configured value.
Note: This setting is applicable only in Manual Connection
mode.
4. When you are finished, click the OK button.
5. On the main menu, click Apply Settings.
Ethernet Configuration
You must specify the speed and direction of data transmission.
To specify how data will be transmitted:
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4: Configuration Using Web Manager
1. On the main menu, click Network.
2. Enter the following (as necessary):
Auto Negotiate
With this option, the Ethernet port auto-negotiates the speed
and duplex with the hardware endpoint to which it is
connected. This is the default.
If this option is not selected, complete the fields that become
available:
Speed: The speed of data transmission. The default setting is
100 Mbps.
Duplex: The direction of data transmission. The default
setting is Full.
3. When you are finished, click the OK button.
4. On the main menu, click Apply Settings.
Server Configuration
The unit’s server values display when you select Server from the main menu. The
following sections describe the configurable parameters on the Server Settings page.
Figure 4-3. Server Settings
To configure the UDS2100’s device server settings:
1. On the main menu, click Server.
2. Configure or modify the following fields:
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4: Configuration Using Web Manager
Server Configuration
Telnet Password
Enter the password required for Telnet access.
Retype Password
Re-enter the password required for Telnet access.
Advanced
ARP Cache Timeout
(secs)
When the unit communicates with another device on the
network, it adds an entry into its ARP table. ARP Cache
timeout defines the number of seconds (1-600) before it
refreshes this table.
TCP Keepalive (secs)
TCP Keepalive time defines how many seconds the unit waits
during network failure or network interruption before checking
its status. If the unit does not receive a response, it drops that
connection. Enter a value between 0 and 65 seconds. 0
disables keepalive. The default setting is 45.
Monitor Mode @ Bootup
Select Disable to disable entry into the monitor mode using
the yyy or xx1 key sequence at startup. This field prevents the
unit from entering monitor mode by interpreting the stream of
characters that are received during the device server's
initialization at startup. The default setting is Enable.
CPU Performance Mode
HTTP Server Port
Select the UDS's performance mode. Higher performance
settings require more energy. Low is 26 Mhz. Regular is 48
Mhz; High is 88 Mhz. The default is Regular.
This option allows the configuration of the web server port
number. The valid range is 1-65535. The default HTTP server
port number is 80.
Config Server Port
MTU Size
Not applicable for this product.
The Maximum Transmission Unit (MTU) is the largest physical
packet size a network can transmit for TCP and UDP. Enter
between 512 and 1400 bytes. The default setting is 1400
bytes.
3. When you are finished, click the OK button.
4. On the main menu, click Apply Settings.
Host List Configuration
The UDS2100 scrolls through the host list until it connects to a device listed in the
host list table. After a successful connection, the unit stops trying to connect to any
others. If this connection fails, the unit continues to scroll through the table until the
next successful connection.
The host list supports a minimum of 1 and a maximum of 12 entries. Each entry
contains an IP address and a port number.
Note: The host list is disabled for Manual and Modem Mode. The unit does
not accept a data connection from a remote device when the hostlist option is
enabled.
To configure the host list:
1. On the main menu, click Hostlist.
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4: Configuration Using Web Manager
Figure 4-4. Hostlist Settings
2. Enter or modify the following fields:
Retry Settings
Retry Counter
Enter the value for the number of times the UDS2100 should
attempt to retry connecting to the host list. The default setting
is 3.
Retry Timeout
Enter the duration (in seconds) the UDS2100 should abandon
attempting a connection to the host list. The default setting is
250.
Host Information
Host Address
Port
Enter or modify the host’s IP address.
Enter the target port number.
3. When you are finished, click the OK button.
4. On the main menu, click Apply Settings.
Channel 1 and Channel 2 Configuration
Channel 1 and Channel 2 configurations define how the serial ports respond to
network and serial communication.
Serial Settings
To configure a channel’s serial settings:
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4: Configuration Using Web Manager
1. From the main menu, click Serial Settings for either Channel 1 or Channel 2 to
display the Serial Settings page for the selected channel.
Figure 4-5. Channel Serial Settings
2. In the available fields, enter the following information:
Channel 1
Disable Serial Port
When selected, disables communication through the serial
port. The serial port is enabled by default.
Note: This feature is not available on single port device
servers, since it can only be applied to channel 2.
Port Settings
Protocol
From the drop-down menu, select the protocol type for the
selected channel. The default setting is RS232.
Flow Control
Flow control manages data flow between devices in a network
to ensure it is processed efficiently. Too much data arriving
before a device is prepared to manage it causes lost or
retransmitted data. None is the default.
Baud Rate
The unit and attached serial device, such as a modem, must
agree on a speed or baud rate to use for the serial connection.
Valid baud rates are 300, 600, 1200, 2400, 4800, 9600
(default), 19200, 38400, 57600, 115200, 230400, 460800, and
921600 baud. The default setting is 9600.
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Data Bits
Indicates the number of bits in a transmitted data package.
The default setting is 8.
Parity
Checks for the parity bit. The default setting is None.
Stop Bits
The stop bit follows the data and parity bits in serial
communication. It indicates the end of transmission. The
default setting is 1.
Pack Control
Enable Packing
Select to enable packing on the UDS2100.
Two firmware-selectable packing algorithms define how and
when packets are sent to the network.
The standard algorithm is optimized for applications in which
the unit is used in a local environment, allowing for very small
delays for single characters, while keeping the packet count
low.
The alternate packing algorithm minimizes the packet count
on the network and is especially useful in applications in a
routed Wide Area Network (WAN). Adjusting parameters in
this mode can economize the network data stream.
Disabled by default.
Idle Gap Time
Select the maximum time for inactivity. The default time is
12 milliseconds.
Match 2 Byte Sequence
Use to indicate the end of a series of data to be sent as one
group. The sequence must occur sequentially to indicate end
of the data collection to the UDS2100. The default setting is
No.
Match Bytes
Use to indicate the end of a series of data to be sent as one
group. Set this value to 00 if specific functions are not needed.
Send Frame Immediate
After the detection of the byte sequence, indicates whether to
send the data frame or the entire buffer. Select Yes to send
only the data frame. The default setting is No.
Send Trailing Bytes
Select the number of bytes to send after the end-of-sequence
characters. The default setting is None.
Flush Input Buffer (Serial to Network)
With Active Connect
Select Yes to clear the input buffer with a connection that is
initiated from the device to the network. The default setting is
No.
With Passive Connect
At Time of Disconnect
Select Yes to clear the input buffer with a connection initiated
from the network to the device. The default setting is No.
Select Yes to clear the input buffer when the network
connection to or from the device is disconnected. The default
setting is No.
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Flush Output Buffer (Network to Serial)
With Active Connect
Select Yes to clear the output buffer with a connection that is
initiated from the device to the network. The default setting is
No.
With Passive Connect
At Time of Disconnect
Select Yes to clear the output buffer with a connection initiated
from the network to the device. The default setting is No.
Select Yes to clear the output buffer when the network
connection to or from the device is disconnected. The default
setting is No.
3. When you are finished, click the OK button.
4. On the main menu, click Apply Settings.
Connection Settings - TCP
To configure a channel’s TCP settings:
1. On the main menu, click Connection. The Connection Settings window for the
channel displays.
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Figure 4-6. TCP Connection Settings
2. In the available fields, enter or modify the following information:
Connect Protocol
Protocol
From the drop-down menu, select TCP.
Connect Mode: Passive Connection
Accept Incoming
Select Yes to accept incoming connections. The default
setting is Yes.
Password Required
Determines whether a password is required for an incoming
passive connection. This field is not available when a
password is set for Telnet mode. The default setting is No.
Password
If Password Required was set to Yes, enter the password for
passive connections.
Modem Escape Sequence Disable or enable the unit's ability to send the escape
Pass Through
sequence. The default is Y (Yes) (send the escape
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4: Configuration Using Web Manager
sequence).
Connect Mode: Active Connection
Active Connect
Select None (default) to disable Active Connect. Otherwise,
indicate the connection type from the drop-down list:
ꢀ
With Any Character: Attempts to connect when any
character is received from the serial port.
ꢀ
With Active Mdm Ctrl In: Accepts external
connection requests only when the Modem Control
In input is asserted.
ꢀ
ꢀ
ꢀ
With Start Character: Attempts to connect when it
receives a specific start character from the serial
port. The default start character is carriage return.
Manual Connection: Attempts to connect when
directed by a command string received from the
serial port.
Auto Start: Automatically connects to the remote IP
address and port after booting up.
Start Character
Modem Mode
If Active Connect is set to With Start Character, enter the start
character in this field. The default setting is 0D.
Indicates the on-screen response type when in Modem Mode
(if Modem Mode is enabled). The default setting is None.
Show IP Address After
Ring
Indicates whether to display the remote IP address upon
connection. The default setting is Yes.
Endpoint Configuration
Local Port
Enter the local port number.
Auto increment for active
connect
Select to auto-increment the local port number for new
outgoing connections. The range of auto-incremented port
numbers is 50,000 to 59,999 and loops back to the beginning
when the maximum range is reached. Disabled by default.
Remote Port
Remote Host
Enter the remote port number.
Enter the IP address of the remote device.
Common Options
Telnet Com Port Cntrl
Available for configuration only when Active Connect is set to
None. Select Enable to permit Telnet communication to the
UDS unit. The Telnet Com Port Cntrl feature is used in
conjunction with the Com Port Redirector (CPR) utility. (See
the CPR online Help for details.)
Connect Response
Terminal Name
A single character is transmitted to the serial port when there
is a change in connection state. Default setting is None.
Available for configuration only when Telnet Com Port Cntrl
is set to Enable.
Use the terminal name for the Telnet terminal type. Enter only
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4: Configuration Using Web Manager
one name. When this option is enabled, the unit also reacts to
the end of record (EOR) and binary options, which can be
used for applications such as terminal emulation to IBM hosts.
Use Hostlist
If this option is set to True, the device server scrolls through
the host list until it connects to a device listed in the host list
table. Once it connects, the unit stops trying to connect to any
others. If this connection fails, the unit continues to scroll
through the table until it is able to connect to another IP in the
host list.
The host list is disabled for Manual and Modem Modes. The
unit will not accept a data connection from a remote device
when the host list option is enabled.
LED
Select Blink for the status LEDs to blink upon connection, or
select None for no LED output.
Disconnect Mode
On Mdm_Ctrl_In Drop
Set to Yes for the network connection to or from the serial port
to disconnect (drop) when Modem Control In transitions from
an asserted state to not asserted state. The default setting is
No.
Hard Disconnect
When set to Yes, the TCP connection closes even if the
remote site does not acknowledge the disconnect request.
Check EOT (Ctrl+D)
Choose Yes to drop the connection when Ctrl+D or Hex 04 is
detected. Both Telnet Com Port Cntrl and Check EOT
(Ctrl+ D) must be enabled for Disconnect with EOT to
function properly. Ctrl+D is only detected going from the serial
port to the network. The default setting is No.
Inactivity Timeout
Use this parameter to set an inactivity timeout. The unit drops
the connection if there is no activity on the serial line before
the set time expires. Enter time in the format mm:ss, where m
is the number of minutes, and s is the number of seconds. To
disable the inactivity timeout, enter 00:00.
3. When you are finished, click the OK button.
4. On the main menu, click Apply Settings.
Connection Settings - UDP
To configure a channel’s UDP settings:
1. On the main menu, click Connection. The Connection Settings window for the
selected channel displays.
2. In the available fields, enter or modify the following information:
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Figure 4-7. UDP Connection Settings
Connect Protocol
Protocol
Select UDP from the drop-down menu.
Datagram Mode
Datagram Type
Configures the remote IP or network broadcast address and
the remote port. Enter 01 for directed or broadcast UDP. The
default setting is 00.
Accept Incoming
Select Yes to accept incoming UDP datagrams. The default
setting is Yes.
Endpoint Configuration
Local Port
Enter the local port number.
Remote Port
Enter the port number of the remote device.
Enter the IP address of the remote device.
Remote Host
Use Broadcast
Select to broadcast the UDP datagram. Datagrams of type 01
can be sent as a broadcast by enabling this option. The
default is not to broadcast.
Note: Datagrams are sent as subnet-directed broadcasts.
Device Address Table
The table is enabled when Datagram Type is set to FD. Enter
values between 1 and 255 to identify units on the local
network of device servers.
Note: Lantronix Tech Support supports Datagram type 01.
Datagram Type FD is for OEM use.
3. When you are finished, click the OK button.
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4. On the main menu, click Apply Settings.
Apply Settings
1. To save and apply the configuration changes to the device server, click the
Apply Settings button.
Note: Clicking OK on each page does not change the configuration on the device.
OK tells the UDS2100 what changes to use; Apply Settings makes the changes
permanent and reboots the UDS2100.
Apply Factory Defaults
1. Click the Apply Defaults button to set the device server back to the default
2. Click Yes to set factory settings, or click No to cancel.
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5: Configuration via Telnet or Serial Port
(Setup Mode)
You must configure the unit so it can communicate on a network with your serial
device. As an alternative to using a web browser, as described in the previous
chapter, you can use the following procedures remotely or locally:
ꢀ
ꢀ
Use a Telnet connection to configure the unit over the network.
Use a terminal or terminal emulation program to access the serial port locally.
The series of prompts at which you enter configuration settings is called Setup
Mode.
Note: Detailed information about other setup methods is available from your
Lantronix Sales Associate.
The unit’s configuration is stored in nonvolatile memory and is retained without
power. You can change the configuration at any time. The unit performs a reset after
the configuration has been changed and stored.
This chapter tells you how to access Setup Mode and the general procedure for
using it. To complete the configuration, continue with 6: Setup Mode: Server
Note: The menus in the configuration chapters show a typical device. Your
device may have different configuration options.
Accessing Setup Mode
Telnet Connection
To configure the unit over the network, establish a Telnet connection to port 9999.
Note: You can also use DeviceInstaller to access Telnet. Select the device
from the main window list, and click the Telnet Configuration tab. Skip
steps 1 and 2.
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5: Configuration via Telnet or Serial Port (Setup Mode)
To establish a Telnet connection:
1. From the Windows Start menu, click Run and type the following command,
where x.x.x.x is the IP address, and 9999 is the unit’s fixed network configuration
port number:
Windows: telnet x.x.x.x 9999
UNIX: telnet x.x.x.x:9999
2. Click OK. The following information displays.
Figure 5-1. MAC Address
3. To enter Setup Mode, press Enter within 5 seconds. The configuration settings
display, followed by the Change Setup menu.
Figure 5-2. Setup Menu Options
4. Select an option on the menu by entering the number of the option in the Your
choice ? field and pressing Enter.
5. To enter a value for a parameter, type the value and press Enter, or to confirm a
current value, just press Enter.
6. When you are finished, save the new configuration (option 9). The unit reboots.
Serial Port Connection
To configure the unit through a serial connection:
1. Connect a console terminal or PC running a terminal emulation program to your
unit's serial port. The default serial port settings are 9600 baud, 8 bits, no
parity, 1-stop bit, no-flow control.
Note: The UDS always uses the above serial settings at bootup.
2. Reset the UDS2100 unit by cycling the unit's power (turning the power off and
back on). Immediately upon resetting the device, enter three lowercase x
characters (xxx).
Note: The easiest way to enter Setup Mode is to hold down the x key at
the terminal (or emulation) while resetting the unit. You must do this
within three seconds of resetting the UDS2100.
At this point, the screen display is the same as when you use a Telnet connection. To
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5: Configuration via Telnet or Serial Port (Setup Mode)
Exiting Setup Mode
To exit setup mode:
You have two options:
ꢀ
To save all changes and reboot the device, select option 9 Save and exit from
the Change Setup menu. All values are stored in nonvolatile memory.
ꢀ
To exit the configuration mode without saving any changes or rebooting. select
option 8 Exit without save from the Change Setup menu.
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6: Setup Mode: Server Configuration
This chapter explains how to configure the network settings.
Note: Current values display in parentheses.
Server Configuration (Option 0)
The unit’s basic network parameters display when you select Server configuration
(option 0). The IP Address, Set Gateway IP Address, and Netmask fields display
the current values.
Figure 6-1. Network Settings
IP Address
If DHCP is not used to assign IP addresses, enter the IP address manually. The IP
address must be set to a unique value in the network. Enter each octet and press
Enter between each section. The current value displays in parentheses.
If DHCP is used, the third octet of the IP address sets the BootP/DHCP/AutoIP
options. The following table shows the bits you can manually configure to force the
UDS2100 to disable AutoIP, DHCP, or BootP. To disable an option, set the
appropriate bit.
Table 6-1. BootP/DHCP/AutoIP options
Value
Options
Bit
AutoIP
0
1
2
1
2
4
DHCP
BootP
For example, if the third octet is 0.0.5.0, the AutoIP and BootP options are disabled;
only DHCP is enabled. (The value 5 results from adding the binary equivalents of 0
and 2.) This is the most common setting when using DHCP.
Set Gateway IP Address
The gateway address, or router, allows communication to other LAN segments. The
gateway address should be the IP address of the router connected to the same LAN
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6: Setup Mode: Server Configuration
segment as the unit. The gateway address must be within the local network. The
default setting is N (No), meaning the gateway address has not been set. To set the
gateway address, type Y and enter the address.
Netmask: Number of Bits for Host Part
A netmask defines the number of bits taken from the IP address that are assigned for
the host part.
Note: Class A: 24 bits; Class B: 16 bits; Class C: 8 bits
The unit prompts for the number of host bits to be entered, then calculates the
netmask, which appears in standard decimal-dot notation (for example,
255.255.255.0) when the saved parameters display. The default setting is 0.
Table 6-2. Standard IP Network Netmasks
Network Class
Host Bits
Netmask
A
B
C
24
16
8
255.0.0.0
255.255.0.0
255.255.255.0
Set DNS Server IP Address
The DNS server allows the name of a remote machine to be resolved automatically.
The default is N (No), indicating the DNS server address has not been set. To set the
DNS server address, type Y. At the prompt, enter the DNS server address. If the
device is DHCP enabled, the DHCP server provides the DNS server IP address,
which will override this configured value.
Note: This setting is applicable only in Manual Connection mode.
Change Telnet Configuration Password
Setting the Telnet configuration password prevents unauthorized access to the setup
menu through a Telnet connection to port 9999 or through web pages. The password
must have 4 characters. The default setting is N (No).
An enhanced password setting (for Telnet access only) of 16 characters is available
Note: You do not need a password to access the Setup Mode window by a
serial connection.
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6: Setup Mode: Server Configuration
DHCP Name
If a DHCP server has automatically assigned the IP address and network settings,
you can discover the unit by using the DeviceInstaller network search feature or
Note: When you enter Monitor Mode from the serial port with network
connection enabled and issue the NC (Network Communication) command,
you see the unit’s IP configuration.
There are three methods for assigning DHCP names to the unit.
ꢀ
Default DHCP Name: If you do not change the DHCP name, and you are
using an IP of 0.0.0.0, then the DHCP name defaults to XX.XX.XX.XX
(XXXXXX is the last 6 digits of the MAC address shown on the label on the
bottom/side of the unit). For example, if the MAC address is 00-20-4A-12-34-
56, then the default DHCP name is C123456.
ꢀ
Custom DHCP Name: You can create your own DHCP name. If you are using
an IP address of 0.0.0.0, then the last option in Server configuration is Change
DHCP device name. This option allows you to change the DHCP name to an
alphanumeric name (LTX in our example).
ꢀ
Numeric DHCP Name: You can change the DHCP name by specifying the last
octet of the IP address. When you use this method, the DHCP name is LTXYY
where YY is what you chose for the last octet of the IP address. If the IP
address you specify is 0.0.0.12, then the DHCP name is LTX12. This method
only works with 2 digit numbers (01-99).
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7: Setup Mode: Channel Configuration
This chapter explains how to configure the serial ports.
Notes:
ꢀ
ꢀ
Current values display in parenthesis.
You must enter some values in hexadecimal notation. (See Error! Reference
source not found. Error! Reference source not found..)
Channel 1 (Option 1)
Note: The procedure is the same for Channel 2 (Option 2).
Select Channel 1 (option 1) from the Change Setup menu to define how the serial
port responds to network and serial communications. The following sections describe
the configurable parameters within the Channel configuration menu.
Figure 7-1. Serial Port Settings
Baudrate
The unit and attached serial device, such as a modem, must agree on a speed or
baud rate to use for the serial connection. Valid baud rates are 300, 600, 1200, 2400,
4800, 9600 (default), 19200, 38400, 57600, 115200, 230400, 460800, and 921600
baud.
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7: Setup Mode: Channel Configuration
I/F (Interface) Mode
The Interface (I/F) Mode is a bit-coded byte entered in hexadecimal notation. The
default setting is 4C.
The following table displays available I/F Mode options:
Note: All bit positions in the table that are blank represent “don’t care” bits
for that particular option, which can be set to either a 0 or 1 value.
Table 7-1. Interface Mode Options
I/F Mode Option
RS-232C
7
6
5
4
3
2
1
0
0
0
(1)
RS-422/485 4-wire
RS-485 2-wire
7 Bit
0
1
1
1
1
1
0
1
8 Bit
No Parity
0
1
0
0
1
1
Even Parity
Odd Parity
1 stop bit
0
1
1
2 stop bits(1)
1
(1)
2 stop bits are implemented by the software. This might influence performance.
The following table demonstrates how to build some common Interface Mode
settings:
Table 7-2. Common Interface Mode Settings
Common I/F Mode Setting
Binary
Hex
RS-232C, 8-bit, No Parity, 1 stop bit
0100 1100
4C
RS-232C, 7-bit, Even Parity, 1 stop bit
RS-485 2-wire, 8-bit, No Parity, 1 stop bit
RS-422, 8-bit, Odd Parity, 1 stop bit
0111 1000
0100 1111
0101 1101
78
4F
5D
Flow
Flow control sets the local handshaking method for stopping serial input/output. The
default setting is 00.
Use the following table to select flow control options:
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7: Setup Mode: Channel Configuration
Table 7-3. Flow Control Options
Flow Control Option
Hex
00
No flow control
XON/XOFF flow control
01
Hardware handshake with RTS/CTS lines 02
XON/XOFF pass characters to host 05
Port Number
The setting represents the source port number in TCP connections. It is the number
that identifies the channel for remote initiating connections.
The default setting for Port 1 is 10001. The range is 1-65535, except for the following
reserved port numbers:
Table 7-4. Reserved Port Numbers
Port Numbers Reserved for
1 – 1024
9999
Reserved (well known ports)
Telnet setup
14000-14009
30704
Reserved for Redirector
Reserved (77F0h)
30718
Reserved (77FEh)
Warning: We recommend that you not use the reserved port numbers
for this setting as incorrect operation may result.
Use Port 0 for the outgoing local port to change with each connection. The port range
is 50,000-59,999. Each subsequent connection increments the number by 1 (it wraps
back around to 50,000).
Only use this automatic port increment feature to initiate a connection using TCP. Set
the port to a non-zero value when the unit is in a passive mode or when using UDP
instead of TCP.
Connect Mode
Connect Mode defines how the unit makes a connection, and how it reacts to
incoming connections over the network.
Enter Connect Mode options in hexadecimal notation. The default setting is C0.
Note: All bit positions in the table that are blank represent “don’t care” bits for
that particular option, which can be set to either a 0 or 1 value.
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7: Setup Mode: Channel Configuration
Table 7-5. Connect Mode Options
Connect Mode Option
7
6
5
4
3
2
1
0
a) Incoming Connection
Never accept incoming
Accept with active Modem Control In
Always Accept
0
0
1
0
1
1
0
0
0
b) Response
Nothing (quiet)
0
1
Character response (C=connect,
D=disconnect, N=unreachable)
c) Active Startup
No active startup
With any character
With active Modem Control In
With a specific start character
Manual connection
Autostart
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
Hostlist
0
0
1
0
d) Datagram Type
Directed UDP
e) Modem Mode
No Echo
1
1
0
0
0
0
0
1
1
1
1
1
Data Echo & Modem Response
(Numeric)
1
Data Echo & Modem Response
(Verbose)
0
1
1
1
0
Modem Response Only (Numeric)
Modem Response Only (Verbose)
0
0
0
0
1
1
1
1
1
1
1
0
a) Incoming Connection
Never Accept Incoming
Rejects all external connection attempts.
Accept with active Modem
Control In
Accepts external connection requests only when the Modem
Control In input is asserted. Cannot be used with Modem
Mode.
Always Accept
Accepts any incoming connection when a connection is not
already established. Default setting.
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7: Setup Mode: Channel Configuration
b) Response
Character Response
A single character is transmitted to the serial port when there is a
change in connection state:
C = connected, D = disconnected, N = host unreachable.
This option is overridden when the Active Start Modem Mode or
Active Start Host List is in effect. Default setting is Nothing
(quiet).
This option is overridden when the Active Start Modem Mode or
Active Start Host List is in effect. Default setting is Nothing
(quiet).
c) Active Startup
No Active Startup
Does not attempt to initiate a connection under any
circumstance. Default setting.
With Any Character
Attempts to connect when any character is received from the
serial port.
With active Modem
Control In
Attempts to connect when the Modem Control In input changes
from not asserted to asserted.
With a Specific Start
Character
Attempts to connect when it receives a specific start character
from the serial port. The default start character is carriage return.
Manual Connection
Attempts to connect when directed by a command string
received from the serial port. The first character of the command
string must be a C (ASCII 0x43), and the last character must be
either a carriage return (ASCII 0x0D) or a line feed (0x0A). No
blanks or space characters may be in the command string.
Between the first and last command string characters must be a
full or partial destination IP address and may be a destination
port number.
The IP address must be in standard decimal-dot notation and
may be a partial address, representing the least significant 1, 2,
or 3 bytes of the remote IP address. The period is required
between each pair of IP address numbers.
If present, the port number must follow the IP address, must be
presented as a decimal number in the range 1-65535, and must
be preceded by a forward slash (ASCII 0x2F). The slash
separates the IP address and the port number. If you omit the
port number from a command string, the internally stored remote
port number starts a connection.
If a partial IP address is presented in a command string, it is
interpreted to be the least significant bytes of the IP address and
uses the internally stored remote IP address to provide the most
significant bytes of the IP address. If the IP address entered is
0.0.0.0/0, the device server enters Monitor Mode.
For example, if the remote IP address already configured in the
unit is 129.1.2.3, then an example command string would be
C3/7. (This would connect to 129.1.2.3 and port 7.) You may
also use a different ending for the connection string. For
example, C50.1/23 would connect you to 129.1.50.1 and port 23.
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7: Setup Mode: Channel Configuration
If an IP address does not follow the first command string
character (which is "C"), the subsequent character string is
interpreted as the host name and domain to be used in DNS
lookup. This character string can include a destination port
number as well. The port number can be preceded by either a
forward slash (/) or a colon ( : ).
Figure 7-2. Manual Connection Address Example
Command String
Result if remote IP is 129.1.2.3 and remote port is 1234
Complete override; connection is started with host 121.2.4.5,
port 1.
C121.2.4.5/1
C5
Connects to 129.1.2.5, port 1234.
Connects to 129.1.28.10, port 12.
Enters Monitor Mode.
C28.10/12
C0.0.0.0/0
Tries to connect to the Lantronix web server if the
<hostname:domain> (www.lantronix.com) is configured in the
DNS server database.
Autostart (Automatic
Connection)
If you enable Autostart, the unit automatically connects to the
remote IP address and remote port specified when the firmware
starts.
Hostlist
If you enable this option, the device server scrolls through the
hostlist until it connects to a device listed in the hostlist table.
Once it connects, the unit stops trying to connect to any others. If
this connection fails, the unit continues to scroll through the table
until it is able to connect to another IP in the hostlist. Hostlist
supports a minimum of 1 and a maximum of 12 entries. Each
entry contains the IP address and the port number.
The hostlist is disabled for Manual and Modem Modes. The unit
does not accept a data connection from a remote device when
the hostlist option is enabled.
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7: Setup Mode: Channel Configuration
Figure 4-7. Hostlist Option
To enable the hostlist:
1. Enter a Connect Mode of 0x20 (2X), where X is 1-5. 1=start with any character,
2=with active Modem Control In, 3=with carriage return, 4=manual connection,
5=autostart. The menu shows you a list of current entries already defined in the
product.
2. To delete, modify, or add an entry, select Yes. If you enter an IP address of
0.0.0.0, that entry and all others after it are deleted.
3. After completing the hostlist, repeat the previous step if necessary to edit the
hostlist again.
4. For Retrycounter, enter the number of times the Lantronix unit should try to
make a good network connection to a hostlist entry that it has successfully
ARPed. The range is 1-15, with the default set to 3.
5. For Retrytimeout, enter the number of seconds the unit should wait before
failing an attempted connection. The time is stored as units of milliseconds in the
range of 10-65535. The default setting is 250.
d) Datagram Type
Directed UDP
When selecting this option, you are prompted for the Datagram type.
Enter 01 for directed or broadcast UDP. Datagrams of type 01 can be
sent as a broadcast by enabling the Send as Broadcast option. The
default is not to broadcast.
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7: Setup Mode: Channel Configuration
When the UDP option is in effect, the unit never attempts to initiate a
TCP connection because it uses UDP datagrams to send and receive
data.
e) Modem Mode
In Modem (Emulation) Mode, the unit presents a modem interface to the attached
serial device. It accepts AT-style modem commands and handles the modem signals
correctly.
Normally, there is a modem connected to a local PC and a modem connected to a
remote machine. A user must dial from the local PC to the remote machine,
accumulating phone charges for each connection. Modem Mode allows you to
replace modems with UDS2100s, and to use an Ethernet connection instead of a
phone call. By not having to change communications applications, you avoid
potentially expensive phone calls.
To select Modem Mode, set the Connect Mode to C6 (no echo), D6 (echo with full
verbose), D7 (echo with numeric response), CF (modem responses only, numeric
response), or CE (modem responses only, full verbose).
Note: If the unit is in Modem Mode, and the serial port is idle, the unit can
still accept network TCP connections to the serial port if Connect Mode is set
to C6 (no echo), D6 (echo with full verbose), D7 (echo with numeric
response, CF (modem responses only, numeric response), or CE (modem
responses only, full verbose).
Without Echo
In Modem Mode, echo refers to the echo of all of the characters
entered in command mode; it does not mean to echo data that is
transferred. Quiet Mode (without echo) refers to the modem not
sending an answer to the commands received (or displaying what
was typed).
Data Echo & Modem
Response
Full Verbose: The unit echoes modem commands and responds to a
command with a message string shown in the table below.
Numeric Response: The unit echoes modem commands and
responds to a command with a numeric response.
Modem Responses
Only
Full Verbose: The unit does not echo modem commands and
responds to a command with a message string shown in the table
below.
Numeric Response: The unit does not echo modem commands and
responds to a command with a numeric response.
Table 4-11. Modem Mode Messages
Meaning
Message
Full Verbose
OK
Command was executed without error.
A network connection has been established.
A network connection has been closed.
CONNECT
NO CARRIER
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Message
Meaning
A remote device, having IP address n.n.n.n, is connecting to this
device.
RING n.n.n.n.
Numeric Response
0
1
2
3
4
OK
Connected
Ring
No Carrier
Error
Received commands must begin with the two-character sequence AT and be
terminated with a carriage return character.
The unit ignores any character sequence received not starting with AT, and only
recognizes and processes single AT-style commands. The unit treats compound AT
commands as unrecognized commands.
If the Full Verbose option is in effect, the unit responds to an unrecognized
command string that is otherwise formatted correctly (begins with AT and ends with
carriage return) with the "OK" message and takes no further action.
If the Numeric Response option is in effect, the unit responds to an unrecognized
command string that is otherwise formatted correctly with a "0" message and takes
no further action.
When an active connection is in effect, the unit transfers data and does not process
commands received from the serial interface.
When a connection is terminated or lost, the unit reverts to command mode.
When an active connection is in effect, the unit terminates the connection if it
receives the following sequence from the attached serial device:
ꢀ
ꢀ
No serial data is received for one second.
The character sequence +++ is received, with no more than one second
between each two characters.
ꢀ
ꢀ
No serial data is received for one second after the last + character. At this time,
the unit responds affirmatively per the selected echo/response mode.
The character string ATH is received terminated with a carriage return. The
unit responds affirmatively according to the selected echo/response mode and
drops the network connection. The serial interface reverts to accepting
command strings.
If this sequence is not followed, the unit remains in data transfer mode.
Table 7-6. Modem Mode Commands
Modem Mode
Command
Function
ATDTx.x.x.x,pppp or Makes a connection to an IP address (x.x.x.x) and a remote port
ATDTx.x.x.x/pppp
or
number (pppp).
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7: Setup Mode: Channel Configuration
Modem Mode
Command
Function
ATDTx.x.x.x:pppp
Makes a connection to an IP address (x.x.x.x) and the remote port
number defined within the unit.
ATDTx.x.x.x
ATD0.0.0.0
ATD or ATDT
Forces the unit into Monitor Mode if a remote IP address and port
number are defined within the unit.
Forces the unit into Monitor Mode if a remote IP address and port
number are not defined within the unit.
Makes a connection to an IP address (x.x.x.x) and the remote port
number defined within the unit.
ATDx.x.x.x
ATH
Hangs up the connection (Entered as +++ATH).
Enables or disables connections from the network going to the serial
port.
n=0 disables the ability to make a connection from the network to the
serial port.
ATS0=n
n=1-9 enables the ability to make a connection from the network to
the serial port.
n>1-9 is invalid.
Enables or disables character echo and responses.
n=0 disables character echo and responses.
n=1 enables character echo and responses.
ATEn
ATVn
Enables numeric response or full verbose.
n=0 enables numeric response.
n=1 enables full verbose.
Note: The unit recognizes these AT commands as single commands such as
ATE0 or ATV1; it does not recognize compound commands such as ATE0V.
Send the Escape Sequence (+++) in Modem Mode
Disable or enable the UDS2100’s ability to send the escape sequence. The default
setting is Y (Yes) (send the escape sequence).
Show IP addr after 'RING'
Disable or enable the UDS's ability to show the IP address after RING in Modem
Mode. The default is Y (Yes), to show the IP address.
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7: Setup Mode: Channel Configuration
Auto Increment Source Port
Y (Yes) auto increment the source port. The UDS2100 increments the port number
used with each new connection.
Remote IP Address
This is the destination IP address for an outgoing connection.
Note: This option does not display when Hostlist is enabled from the
Remote Port
You must set the remote TCP port number for the unit to make outgoing connections.
This parameter defines the port number on the target host to which a connection is
attempted.
To connect an ASCII terminal to a host using the unit for login purposes, use the
remote port number 23 (Internet standard port number for Telnet services).
Note: This option does not display when Hostlist is enabled from the
DisConnMode
This setting determines the conditions under which the unit will cause a network
connection to terminate. The default setting is 00.
Notes:
ꢀ
In DisConnMode (Disconnect Mode), Modem Control In drop either drops the
connection or is ignored.
ꢀ
All bit positions in the table that are blank represent “don’t care” bits for that
particular option, which can be set to either a 0 or 1 value.
Table 7-7. Disconnect Mode Options
Disconnect Mode Option
7
6
5
4
3
2
1
0
(6)
Disconnect when Modem Control In is not asserted
1
Ignore Modem Control In
0
Telnet Com Port Cntrl and terminal type setup (1)
Channel (port) password (2)
Hard disconnect (3)
1
1
0
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7: Setup Mode: Channel Configuration
Disconnect Mode Option
7
6
5
4
3
2
1
0
Disable hard disconnect
1
State LED off with connection (4)
Disconnect with EOT (^D) (5)
1
1
(1) The Telnet Com Port Control feature is used in conjunction with Com Port Redirector.
The UDS sends the "Terminal Type" upon an outgoing connection.
(2) A password is required for a connection to the serial port from the network.
(3) The TCP connection closes even if the remote site does not acknowledge the
disconnection.
(4) When there is a network connection to or from the serial port, the state LED turns off
instead of blinking.
(5) When Ctrl+D or Hex 04 is detected, the connection is dropped. Both Telnet Com
Port Cntrl and Disconnect with EOT must be enabled for Disconnect with EOT to
function properly. Ctrl+D is only detected going from the serial port to the network.
(6) When Modem Control In transitions from a high state to a low state, the network
connection to or from the serial port drops.
Flush Mode (Buffer Flushing)
Using this parameter, you can control line handling and network buffers with
connection startup and disconnect. The default setting is 00.
You can also select between two different packing algorithms.
Note: All bit positions in the table that are blank represent “don’t care” bits for
that particular option, which can be set to either a 0 or 1 value.
Table 7-8. Flush Mode Options
Function
7
6
5
4
3
2
1
0
Input Buffer (Serial to Network)
Clear with a connection initiated from the device to the network
Clear with a connection initiated from the network to the device
Clear when the network connection to or from the device is disconnected
Output Buffer (Network to Serial)
1
1
1
Clear with a connection initiated from the device to the network
Clear with a connection initiated from the network to the device
Clear when the network connection to or from the device is disconnected
Alternate Packing Algorithm (Pack Control)
1
1
1
Enable
1
Pack Control
The packing algorithms define how and when packets are sent to the network. The
standard algorithm is optimized for applications in which the unit is used in a local
environment, allowing for very small delays for single characters, while keeping the
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7: Setup Mode: Channel Configuration
packet count low. The alternate packing algorithm minimizes the packet count on the
network and is especially useful in applications in a routed Wide Area Network
(WAN). Adjusting parameters in this mode can economize the network data stream.
Pack control settings are enabled in Flush Mode. Set this value to 00 if you do not
need specific functions.
Note: All bit positions in the table that are blank represent “don’t care” bits for
that particular option, which can be set to either a 0 or 1 value.
Table 7-9. Pack Control Options
Option
7
6
5
4
3
2
1
0
Packing Interval
Interval: 12 msec
Interval: 52 msec
Interval: 250 msec
Interval: 5 sec
Trailing Characters
None
0
0
1
1
0
1
0
1
0
0
1
0
1
0
One
Two
Send Characters
2-Byte Send Character Sequence
Send Immediately After Send chars
1
1
Packing Interval
Packing Interval defines how long the unit should wait before sending accumulated
characters. This wait period is between successive network segments containing
data. For alternate packing, the default interval is 12 ms.
Trailing Characters
In some applications, CRC, Checksum, or other trailing characters follow the end-of-
sequence character; this option helps to adapt frame transmission to the frame
boundary. The default setting is 00 (none).
Send Characters
ꢀ
ꢀ
If 2-Byte Send Character Sequence is enabled, the unit interprets the
sendchars as a 2-byte sequence; if this option is not enabled, the unit
interprets them independently. The default setting is 0 (disabled).
If Send Immediately After Characters is not set, any characters already in
the serial buffer are included in the transmission after a "transmit" condition is
found. If this option is set, the unit sends immediately after recognizing the
transmit condition (sendchar or timeout). The default setting is 0.
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7: Setup Mode: Channel Configuration
Note: A transmission might occur if status information needs to be
exchanged or an acknowledgment needs to be sent.
DisConnTime (Inactivity Timeout)
Use this parameter to set an inactivity timeout. The unit drops the connection if there
is no activity on the serial line before the set time expires. Enter time in the format
mm:ss, where m is the number of minutes and s is the number of seconds.
To disable the inactivity timeout, enter 00:00. Range is 0 (disabled) to 5999 seconds
(99 minutes, 59 seconds). Default setting is 0.
Send Characters
Enter up to two characters in hexadecimal representation in sendchar.
If the unit receives a character on the serial line that matches one of these
characters, it sends the character immediately, along with any awaiting characters, to
the TCP connection. This action minimizes the response time for specific protocol
characters on the serial line (for example, ETX, EOT). Setting the first sendchar to 00
disables the recognition of the characters. Alternatively, the unit can interpret two
Telnet Terminal Type
This parameter displays only if you enabled the terminal type option in Disconnect
Mode. With this option enabled, you can use the terminal name for the Telnet
terminal type. Enter only one name.
With terminal type option enabled, the unit also reacts to the EOR (end of record) and
binary options, useful for applications like terminal emulation to IBM hosts.
Channel (Port) Password
This parameter appears only if the channel (port) password option is enabled in
Disconnect Mode. With this option enabled, you can set a password on the serial
port. There is no default password.
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8: Setup Mode: Advanced Settings
Expert Settings (Option 5)
Note: You can change these settings using Telnet or serial connections only,
not on the Web Manager.
Caution: Changing the expert settings can drastically affect the
performance and access to the product. These settings should only be
changed by an experienced network administrator.
Select 5 to configure expert settings.
Figure 8-1. Expert Settings
TCP Keepalive time in seconds
This option allows you to change how many seconds the unit waits during a silent
connection before attempting to see if the currently connected network device is still
on the network. If the unit gets no response, it drops that connection. The default
setting is 45.
ARP Cache timeout in seconds
Whenever the unit communicates with another device on the network, it adds an
entry into its ARP table. The ARP Cache timeout option allows you to define how
many seconds (1-600) the unit will wait before timing out this table. The default
setting is 600.
CPU Performance
Select the UDS2100’s performance mode. Higher performance settings require more
energy. Low is 26 Mhz; Regular is 48 Mhz; High is 88 Mhz. The default is Regular.
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8: Setup Mode: Advanced Settings
Monitor Mode at bootup
This option allows you to disable all entries into Monitor Mode during startup, except
for the ‘xxx’ sequence. This prevents entry using yyy, zzz, xx1, and yy1 key
sequences (only during the bootup sequence). The default for Monitor Mode at
HTTP Port Number
This option allows the configuration of the web server port number. The valid range is
1-65535. The default HTTP port number is 80.
MTU Size
The Maximum Transmission Unit (MTU) is the largest physical packet size a network
can transmit for TCP and UDP. Enter between 512 and 1400 bytes. The default
setting is 1400 bytes.
Enable alternate MAC
If necessary, enable the alternate MAC address (if specified in the OEM setup
record). The default setting is N (No).
Ethernet connection type
The UDS2100 allows for the Ethernet speed and duplex to be manually configured.
Enter 0 for auto-negotiation (default). To select the speed and duplex, enter one of
the following: 2 (10Mbit/half duplex), 3 (10Mbit/full duplex), 4 (100Mbit/half duplex), or
5 (100Mbit/full duplex).
Security Settings (Option 6)
You can change security settings by means of Telnet or serial connections only, not
on the Web Manager. We recommend that you set security over the dedicated
network or over the serial setup to prevent eavesdropping.
Caution: Disabling both Telnet Setup and Port 77FE will prevent users
from accessing the setup menu from the network. Disabling Port 77FE
also disables the Web Manager from configuring the device.
Select 7 to configure security settings.
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8: Setup Mode: Advanced Settings
Figure 8-2. Security Settings
Disable SNMP
This setting allows you to disable the SNMP protocol on the unit for security reasons.
The default setting is N (No).
SNMP Community Name
The SNMP Community Name is a required field for NMS to read or write to a device.
Enter a string of 1 to 13 characters. The default setting is public.
Disable Telnet Setup
Note: If you choose to disable this option, keep in mind that disabling both
Telnet Setup and Port 77FE will prevent users from accessing the setup
menu from the network.
This setting defaults to the N (No) option. The Y (Yes) option disables access to
Setup Mode by Telnet (port 9999). It only allows access locally using the web pages
and the serial port of the unit.
Disable TFTP Firmware Update
This setting defaults to the N (No) option. The Y (Yes) option disables the use of
TFTP to perform network firmware upgrades. With this option, you can download
firmware upgrades over the serial port using DeviceInstaller’s Recover Firmware
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8: Setup Mode: Advanced Settings
Disable Port 77FE (Hex)
Note: If you choose to disable this option, keep in mind that disabling both
Telnet Setup and Port 77FE will prevent users from accessing the setup
menu from the network.
Port 77FE is a setting that allows DeviceInstaller, Web Manager, and custom
programs to configure the unit remotely. You may wish to disable this capability for
security purposes.
The default setting is the N (No) option, which enables remote configuration. You can
configure the unit by using DeviceInstaller, web pages, Telnet, or serial configuration.
The Y (Yes) option disables remote configuration and web sites.
Disable Web Server
This setting defaults to the N (No) option. The Y (Yes) option disables the web
server.
Disable Web Setup
The Y (Yes) option disables configuration using the Web Manager. This setting
defaults to the N (No) option.
Disable ECHO Ports
This setting controls whether port 7 echoes characters it receives. The default setting
is Y (Yes), which disables ECHO ports.
Enable Enhanced Password
This setting defaults to the N (No) option, which allows you to set a 4-character
password that protects Setup Mode by means of Telnet and web pages. The Y (Yes)
option allows you to set an extended security password of 16-characters for
protecting Telnet and Web Page access.
Default Settings (Option 7)
Select 7 to reset the unit’s Channel 1 configuration and expert settings to the default
settings. The server configuration settings for IP address, gateway IP address, and
netmask remain unchanged. The configurable pins’ settings also remain unchanged.
Following are the specific settings that this option changes:
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8: Setup Mode: Advanced Settings
Channel 1 and Channel 2 Configuration Defaults
Baudrate
9600
I/F Mode
4C (1 stop bit, no parity, 8 bit, RS-232C)
TCP port number
10001 on Channel 1
10002 on Channel 2
Connect Mode
C0 (always accept incoming connection; no active
connection startup)
Hostlist retry counter
Hostlist retry timeout
Start character
3
250 (msec)
0x0D (CR)
0
All other parameters
Expert Settings Defaults
TCP Keepalive time in s
45
ARP Cache timeout in s
600
No
80
Disable Monitor Mode @ bootup
HTTP Port Number
(1-65535)
MTU Size (512 – 1400)
Enable alternate MAC
Ethernet Connection Type
0 (resulting in an operational value of 1400)
No ( for OEM use only)
0 (auto-negotiate)
Security Settings Defaults
Disable SNMP
No
SNMP community name
Disable Telnet setup
public
No
Disable TFTP Firmware Update
Disable Port 77FEh
No
No
Disable Web Server
No
Disable Web Setup
No
Disable ECHO ports
Yes
No
Enable Enhanced Password
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9: Firmware Upgrades
Obtaining Firmware
You can obtain the most up-to-date firmware and release notes for the unit from the
Reloading Firmware
There are several ways to update the unit's internal operational code (*.ROM): using
DeviceInstaller (the preferred way), using TFTP, or using the serial port. You can also
update the unit's internal Web interface (*.COB) using TFTP or DeviceInstaller.
Here are typical names for those files. Check the Lantronix web site for the latest
versions and release notes.
Table 9-1. Firmware Files
ROM File
COB
UDS2100_6102.rom
UDS2100_webm_1403.cob
Please refer to the DeviceInstaller online Help for information about reloading
firmware using DeviceInstaller. The other methods are discussed below.
Using TFTP: Graphical User Interface
To download new firmware from a computer:
1. Use a TFTP client to send a binary file to the unit (*.ROM to upgrade the unit's
internal operational code and *.COB to upgrade its internal Web interface).
Note: TFTP requires the .ROM (binary) version of the unit's internal
operational code.
2. In the TFTP server field, enter the IP address of the unit being upgraded.
3. Select Upload operation and Binary format.
4. Enter the full path of the firmware file in the Local file name field.
5. In the Remote file name field, enter the current internal operational code (U4) or
WEB1 to WEB19 for the internal Web interface.
6. Click the Upload Now button to transfer the file to the unit.
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9: Firmware Upgrades
Figure 9-1. TFTP Window
After the firmware has been loaded and stored, which takes approximately 8 seconds
to complete, the unit performs a power reset.
Using TFTP: Command Line Interface
To download new firmware from a computer:
1. Enter the following from a TFTP command line interface:
The following examples demonstrate the TFTP command sequence to download
the .rom file and the .cob file:
Recovering the Firmware Using the Serial Port and DeviceInstaller
If for some reason the firmware is damaged, you can recover the firmware file by
using DeviceInstaller to download the *.ROM file over the serial port.
To recover firmware:
1. Connect the COM interface of your PC to serial port 1 of the unit.
2. Start DeviceInstaller. If your PC has more than one network adapter, a message
displays. Select an adapter and click OK.
3. From the Tools menu, select Advanced/Recover Firmware. The Serial Port
Firmware Upgrade window displays.
4. For Port on PC, enter the COM port on the PC that is connected to the serial
port of the Lantronix unit.
5. For Device Model, be sure the appropriate device (e.g., UDS2100)
displays.
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9: Firmware Upgrades
6. For Firmware File, click the Browse button and go to the location where the
firmware file resides.
Note: Make sure the UDS2100 on which you are recovering firmware is connected to
this selected port on your PC.
7. Click OK to download the file.
8. When prompted, reset the device. Status messages and a progress bar at the
bottom of the screen show the progress of the file transfer. When the file transfer
completes, the message “Successful, Click OK to Close” displays.
9. Click the OK button to complete this procedure.
Note For more information, see Recovering Firmware in the DeviceInstaller
online Help.
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10: Monitor Mode
Monitor Mode is a command-line interface used for diagnostic purposes.
There are two ways to enter Monitor Mode: locally using the serial port or remotely
using the network.
Entering Monitor Mode Using the Serial Port
To enter Monitor Mode locally:
1. Follow the same steps used for setting the serial configuration parameters
2. Instead of typing three x keys, however:
a) Type zzz (or xx1) to enter Monitor Mode with network connections.
b) Type yyy (or yy1) to enter Monitor Mode without network connections.
A 0> prompt indicates that you have successfully entered Monitor Mode.
Entering Monitor Mode Using the Network Port
To enter Monitor Mode using a Telnet connection:
1. Establish a Telnet session to the configuration port (9999).
2. Type M (upper case) immediately.
A 0> prompt indicates that you have successfully entered Monitor Mode.
Monitor Mode Commands
The following commands are available in Monitor Mode. Many commands have an IP
address as an optional parameter (xxx.xxx.xxx.xxx). If you enter the IP address, the
command is applied to another unit with that IP address. If you do not enter the IP
address, the command is executed locally.
Note: All commands must be in capital letters. Responses to some of the
commands are in Intel Hex format.
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10: Monitor Mode
Table 10-1. Monitor Mode Commands
Command
Command Name
Function
VS x.x.x.x
Version
Queries software header record (16 bytes) of unit with
IP address x.x.x.x.
GC x.x.x.x
SC x.x.x.x
PI x.x.x.x
Get Configuration
Send Configuration
Ping
Gets configuration of unit with IP address x.x.x.x as hex
records (120 bytes).
Sets configuration of unit with IP address x.x.x.x from
hex records.
Pings unit with IP address x.x.x.x to check device
status.
AT
TT
ARP Table
Shows the unit’s ARP table entries.
TCP Connection
Table
Shows all incoming and outgoing TCP connections.
NC
Network Connection
Shows the unit’s current IP address, gateway, subnet
mask, and DNS server.
RS
Reset
Quit
Resets the unit’s power.
Exits diagnostics mode.
QU
G0, G1, ....,Ge, Gf
Get configuration
from memory page
Gets a memory page of configuration information from
the device.
S0, S1,...,Se, Sf
Set configuration to
memory page
Sets a memory page of configuration information on the
device.
GM
SS
Get MAC address
Set Security record
Shows the unit's 6-byte MAC address.
Sets the Security record without the encryption key and
length parameters. The entire record must still be
written, but the encryption-specific bytes do not need to
be provided (they can be null since they are not
overwritten).
SA
Scan
Initiates a wireless scan if the wireless interface is
enabled. Reports any stations found, including BSSID,
SSID, and RSSI. If SA is followed by a string, the string
is used to filter SSIDs before reporting. If the BSS does
not broadcast its SSID, only the BSSID and RSSI are
returned.
NS
co
Network Status
Reports the network interfaces’ statuses. Includes
potentially negotiated parameters like speed/duplex for
Ethernet or BSSID, encryption, authentication for
wireless interfaces.
Set IP address, host
bits, gateway, and
DNS server IP
Example:
co 192.168.0.10 8 192.168.0.1 10001 192.168.1.10
with
192.168.0.10 = IP address of the UDS
8 = number of host bits
192.168.0.1 = gateway IP address
10001 = port number of the UDS
192.168.1.10 = IP address of the DNS Server
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10: Monitor Mode
Command
Command Name
Function
The UDS stores the setup and performs a reset. It
sends an X before the reset if the command was OK.
Note: Entering any of the commands listed above generates one of the
following command response codes:
Table 7-2. Command Response Codes
Response
Meaning
0>
OK; no error
1>
2>
8>
9>
No answer from remote device
Cannot reach remote device or no answer
Wrong parameter(s)
Invalid command
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11: Troubleshooting and Contact Information
This chapter discusses how you can diagnose and fix errors quickly without having to
contact a dealer or Lantronix. It helps to connect a terminal to the serial port while
diagnosing an error to view summary messages that may display. When
troubleshooting, always ensure that the physical connections (power cable, network
cable, and serial cable) are secure.
Note: Some unexplained errors might be caused by duplicate IP addresses on the
network. Make sure that your unit's IP address is unique.
When troubleshooting the following problems, make sure that the UDS2100 is
powered up. Confirm that you are using a good network connection.
LEDs
The following LEDs are on the top of the UDS2100:
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Power / Diagnostic (Blue)
RX Serial 1 Activity LED (Green)
TX Serial 1 Activity LED (Yellow)
RX Serial 2 Activity LED (Green)
TX Serial 2 Activity LED (Yellow)
The following LEDs are on the RJ45 Ethernet connector:
ꢀ
ꢀ
Ethernet Link LED on the left (Bi-color, 10Mbps = Yellow, 100 Mbps = Green)
Ethernet Activities LED on the right (Bi-color, Half Duplex = Yellow, Full
Duplex = Green)
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11: Troubleshooting and Contact Information
Figure 11-1. Diagnostic, Power, and Serial Port LEDs
Table 11-1. UDS2100 LEDs
Meaning
LEDs
Steady On = Power OK
Power/Diagnostic (Blue)
Blinking 2x = No DHCP response
Blinking 2x = Setup Menu active
Off = No data activity
RX Serial 1 Activity LED (Green)
TX Serial 1 Activity LED (Yellow)
RX Serial 2 Activity LED (Green)
TX Serial 2 Activity LED (Yellow)
Blinking = Data being received by UDS2100 on channel 1
Off = No data activity
Blinking = data being transmitted from UDS2100 on channel 1
Off = No data activity
Blinking = data being received by UDS2100 on channel 2
Off = No data activity
Blinking = Data being transmitted from UDS2100 on channel 2
Off = No Ethernet link established
Ethernet Link LED on the left (Bi-color)
Solid Yellow = 10Mbps Ethernet link established
Solid Green = 100 Mbps Ethernet Link established
Off = No data activity
Ethernet Activity LED on the right (Bi-color) Blinking Yellow = Half Duplex data activity
Blinking Green = Full Duplex data activity
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11: Troubleshooting and Contact Information
Problems and Error Messages
Table 11-2. Problems and Error Messages
Problem/Message
Reason
Solution
When you issue the ARP –S
command in Windows, the "ARP
entry addition failed: 5" message
displays.
Your currently logged-in
user does not have the
correct rights to use this
command on this PC.
Have someone from your IT
department log you in with
sufficient rights.
When you attempt to assign an IP
address to the unit by the ARP
method, the "Press Enter to go into
Setup Mode" error "(described
below) message displays. Now
when you Telnet to the device
server, the connection fails.
When you Telnet to port 1
on the device server, you
are only assigning a
temporary IP address.
When you Telnet into port
9999 and do not press
Enter quickly, the device
server reboots, causing it to
lose the IP address.
Telnet back to Port 1. Wait for it to
fail, then Telnet to port 9999
again. Make sure you press Enter
quickly.
When you Telnet to port 9999, the
"Press Enter to go into Setup Mode" quickly enough. You only
message displays. However,
nothing happens when you press
Enter, or your connection is closed.
You did not press Enter
Telnet to port 9999 again, but
press Enter as soon as you see
the "Press Enter to go into Setup
Mode" message.
have 5 seconds to press
Enter before the connection
is closed.
When you Telnet to port 1 to assign
an IP address to the device server,
You may have entered the
Ethernet address incorrectly that you entered with the ARP
Confirm that the Ethernet address
the Telnet window does not respond with the ARP command.
for a long time.
command is correct. The Ethernet
address may only include
numbers 0-9 and letters A-F. In
Windows and usually in Unix, the
segments of the Ethernet address
are separated by dashes. In some
forms of Unix, the Ethernet
address is segmented with colons.
The IP address you are
trying to assign is not on
your logical subnet.
Confirm that your PC has an IP
address and that it is in the same
logical subnet that you are trying
to assign to the device server.
The device server may not
be plugged into the network
properly.
Make sure that the Link LED is lit.
If the Link LED is not lit, then the
device server is not properly
plugged into the network.
When you try to assign an IP with
DeviceInstaller, you get the
following :
The cause is most likely one Double-check the parameters that
of the following:
you specified.
The hardware address you
specified is incorrect.
Note: You cannot assign an IP
address to a device server through
a router.
"No response from device!
Verify the IP, Hardware
Address and Network Class.
Please try again."
The IP address you are
trying to assign is not a valid
IP for your logical subnet.
You did not choose the
correct subnet mask.
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11: Troubleshooting and Contact Information
Problem/Message
Reason
Solution
The device server is not
communicating with the serial
device to which it is attached.
The most likely reason is
the wrong serial settings
were chosen.
The serial settings for the serial
device and the device server must
match. The default serial settings
for the device server are RS-232,
9600 baud, 8 character bits, no
parity, 1 stop bit, no flow control.
When you try to enter the setup
mode on the device server using the something covered in the
serial port, you get no response.
The issue is most likely
Double-check everything in the
problem above. Confirm that Caps
Lock is not on.
previous problem, or
possibly, you have Caps
Lock on.
You can ping the device server, but
not Telnet to the device server on
port 9999.
There may be an IP
address conflict on your
network
Turn the device server off and
then issue the following
commands at the DOS prompt of
your computer:
You are not Telneting to
port 9999.
ARP -D X.X.X.X (X.X.X.X is the IP
of the device server).
The Telnet configuration
port (9999) is disabled
within the device server
security settings.
PING X.X.X.X (X.X.X.X is the IP of
the device server).
If you get a response, then there is
a duplicate IP address on the
network. If you do not get a
response, use the serial port to
verify that Telnet is not disabled.
With DeviceInstaller, you get the
"Wrong Password" error when you
try to upgrade the firmware.
The file you are attempting
to load is the incorrect
firmware file for the UDS.
Download the correct firmware file
from the Lantronix website.
The device server appears to be set If you are sure that the
Use the Connect Mode option C0
for making a connection to the
UDS from the network. Use
Connect Mode option C1 or C5 for
a connection to the network from
the UDS.
up correctly, but you are not
communicating with your device
serial port setting is correct,
then you may not be
attached to the device server across connecting to the correct
the network.
socket of the device server.
Another possibility is that
the device server is not set
up correctly to make a good
socket connection to the
network.
When connecting to the Web
Manager within the device server,
the "No Connection With The
Device Server" message displays.
Your computer is not able to Make sure that port 30718
connect to port 30718
(77FEh) on the device
server.
(77FEh) is not blocked with any
router that you are using on the
network. Also, make sure that port
77FEh is not disabled within the
Security settings of the device
server.
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11: Troubleshooting and Contact Information
Technical Support
If you are experiencing an error that is not described in this chapter, or if you are
unable to fix the error, you have the following options:
Technical Support US
Check our online knowledge base or send a question to Technical Support at
Phone: (800) 422-7044 (US Only)
(949) 453-7198
Technical Support Europe, Middle East, and Africa
Phone: +33 (0)1 39 30 41 72
Germany: +49 (0) 180 500 13 53
Firmware downloads, FAQs, and the most up-to-date documentation are available at
When you report a problem, please provide the following information:
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Your name, and your company name, address, and phone number
Lantronix model number
Lantronix MAC number
Software version (on the first screen shown when you Telnet to port 9999)
Description of the problem
Status of the unit when the problem occurred (please try to include information on
user and network activity at the time of the problem)
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12: Connections and Pinouts
UDS2100 Serial Ports
The UDS2100 has two male DB9 DTE serial ports that support RS-232C/RS-422 (4-
wire)/RS-485 (2-wire) serial standards up to 230 Kbps (and up to 921 Kbps if high
performance is selected).
Figure 12-1. Serial Interface
Male DB9 Serial Ports
Serial Connector Pinouts
The two Male DB9 DTE connectors provide an RS-232C/RS-422 (4-wire)/
RS-485 (2-wire) interface. The default serial port settings are 9600 baud, 8 bits, no
parity, 1 stop bit, no flow control.
Figure 12-2. DB9 Male RS232 Serial DTE Connector
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12: Connections and Pinouts
Network Port
The unit's back panel contains a 9-30VDC power plug and an RJ45 (10/100)
Ethernet port.
Figure 12-3. Network Interface
RJ45 Ethernet Port Reset Button
Power Plug
Reset Button
You can reset the unit to factory defaults, including clearing the network settings (IP
address, gateway, and netmask are set to 00s).
To reset the unit to factory defaults:
1. Place the end of a paper clip or similar object into the reset opening and press for
a minimum of 3 seconds.
2. Release the button and remove the paper clip. The firmware restores factory
default settings to the configuration and invokes a reset (internally).
Ethernet Connector Pinouts
Power Plug
Power input on the power plug is 9-30 VDC (center +)
(1.8W maximum power).
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13: Technical Specifications
Table 13-1. UDS2100 Technical Specifications
Category
Description
CPU
Lantronix DSTNI-EX 48 MHz clock
Internal CPU
Memory
256 KB zero wait state SRAM
Flash
2 MB Flash
EEPROM
Serial Interface
2 KB EEPROM
2 DB9M DTE serial ports
Software-selectable baud rate from 300 to 921 KBaud (when High
Performance is selected)
Software-selectable RS232, RS422 or RS485 (2 and 4 wire support)
Serial Line Formats
Characters: 7 or 8 data bits
Stop bits: 1 or 2
Parity: odd, even, none
Modem Control
Flow Control
Modem Control In, DTR
Hardware: CTS/RTS
Software: XON/XOFF
Power Input
9-30 VDC on barrel connector (1.8W maximum consumption)
Network Interface
1 RJ45 10Base-T/100Base-TX Ethernet port
Software selectable Ethernet speed 10/100/Auto
Software selectable Half/Full/Auto duplex
Dimensions
Height: 2.3 cm (0.9 in)
Width: 7.3 cm (2. 9 in)
Length : 9.5 cm ( 3.75 in)
Weight
0.26 kg ( 0.6 lb)
Temperature
Operating range: 0° to 60° C (32° to 140° F)
Note: Operating range for UDS2100-IAP only: -40° to 70° C (-40° to 158° F)
Storage -40° to 85° C (-40 to 185° F)
Relative Humidity
Case
Operating 10% to 90% non-condensing, 40% to 60% recommended
Storage 10% to 90% non-condensing
Metal enclosure with integrated wall mounts
Optional 35 mm Din Rail mount available
Protocols Supported ARP, UDP/IP, TCP/IP, Telnet, ICMP, SNMP, DHCP, BOOTP, TFTP, and
HTTP
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13: Technical Specifications
Category
Description
Installable Industrial ModBus TCP, ModBus ASCII/RTU, DF1 Multi-Master (IAP version only)
Protocols
Management
Internal web server
SNMP (read only)
Serial login
Telnet login
DeviceInstaller software
System Software
LEDs
DeviceInstaller, Windows® 95/98/ME/NT/2000/XP-based configuration
software
Com Port Redirector, Windows® 98/NT/2000/XP-based virtual com port
software
Power
10/100 Mb Link on RJ45
10/100 Activity on RJ45
Diagnostic
RX Serial 1 Activity
TX Serial 1 Activity
RX Serial 2 Activity
TX Serial 2 Activity
Emissions
FCC Part 15 Subpart B Class A Radiated Emissions 30MHz – 1000MHz
ICES-003 Issue 4 February 2004 Class A Radiated Emissions 30MHz –
1000MHz
AS/NZS CISPR 22:2006 Class A Radiated Emissions 30MHz – 1000MHz
EN55022: 1998 + A1: 2000 + A2: 2003 Class A Radiated Emissions 30MHz –
1000MHz
VCCI V-3/2006.04 Class A Radiated Emissions 30MHz – 1000MHz
EN61000-3-2: 2000 Class A Harmonic Current Emissions
EN61000-3-3: 1995 + A1: 2001 Fluctuations and Flicker
Immunity
EN55024: 1998 +A1: 2001 +A2: 2003
IEC_61000-4-2: 1995 ESD 8KV Air Discharge (Direct), 4KV Contact
Discharge (Direct/Indirect)
IEC_61000-4-3: 1995 Radiated Immunity 3.0V/m, 1KHz AM Sine Wave at
80%
IEC_61000-4-4: 1995 EFT/Burst 1.0KV Power Lines, 0.5KV I/O Lines
IEC_61000-4-5: 1995 Surge Immunity 1.0KV Common Mode, 1.0 KV
Differential Mode
IEC_61000-4-6: 1996 Conducted Immunity 3.0 Vrms, 80% AM Modulated
(1KHz)
IEC_61000-4-8: 1993 Magnetic Field Immunity 50Hz 1.0 Arms/m
IEC_61000-4-11: 1994 Voltage Dips and Interrupts (>95%, 0.5 periods), (30%,
25 periods), (>95%, 250 periods)
Isolation
Designed with protections against transients and ESD for use under harsh
environments
Serial Port: 15 KV ESD protection on RS232 and RS422/485 transceivers
Power Input: Up to non-repeated 600 W 10/100 usec pulse protection against
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13: Technical Specifications
Category
Description
transient over voltages
Ethernet Port: 1500 VAC isolation shielded with shield connected to chassis
ground for signal integrity and ESD protection
Agency Approvals
UL, CSA, FCC, CE, TUV, CTick, VCCI
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B: Alternative Ways to Assign an IP Address
Earlier chapters describe how to assign a static IP address using DeviceInstaller,
Web Manager, and Setup Mode (through a Telnet or serial connection). This section
covers other methods for assigning an IP address over the network.
DHCP
The unit ships with a default IP address of 0.0.0.0, which automatically enables
DHCP. If a DHCP server exists on the network, it provides the unit with an
IP address, gateway address, and subnet mask when the unit boots up.
You can use the DeviceInstaller software to search the network for the DHCP-
assigned IP address and add it to the list of devices retrieved.
Note: This DHCP address does not appear in the unit’s Setup Mode or in
Web Manager. You can determine your unit’s DHCP-assigned IP address in
Monitor Mode. When you enter Monitor Mode from the serial port with
network connection enabled and issue the NC (Network Communication)
command, you see the unit’s IP configuration.
AutoIP
The unit ships with a default IP address of 0.0.0.0, which automatically enables
Auto IP within the unit. AutoIP is an alternative to DHCP that allows hosts to obtain
an IP address automatically in smaller networks that may not have a DHCP server. A
range of IP addresses (from 169.254.0.1 to 169.254.255.1) has been explicitly
reserved for AutoIP-enabled devices. Do not use this range of Auto IP addresses
over the Internet.
ꢀ
If your unit cannot find a DHCP server, and you have not manually assigned an
IP address to it, the unit automatically selects an address from the AutoIP
reserved range. Then, your unit sends out a (ARP) request to other nodes on
the same network to see whether the selected address is being used.
ꢀ
ꢀ
If the selected address is not in use, then the unit uses it for local subnet
communication.
If another device is using the selected IP address, the unit selects another
address from the AutoIP range and reboots. After reboot, the unit sends out
another ARP request to see if the selected address is in use, and so on.
AutoIP does not replace DHCP. The unit continues to look for a DHCP server on the
network. If it finds a DHCP server, the unit switches to the DHCP server-provided
address and reboots.
Note: If a DHCP server is found, but it denies the request for an IP address,
the unit does not attach to the network, but waits and retries.
AutoIP can be disabled by setting the unit’s IP address to 0.0.1.0. This setting
enables DHCP but disables AutoIP.
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B: Alternative Ways to Assign an IP Address
BOOTP
Similar to DHCP, but for smaller networks. Automatically assigns the IP address for a
specific duration of time.
ARP and Telnet
If the unit has no IP address, you can use Address Resolution Protocol (ARP)
method from UNIX and Windows-based systems to assign a temporary IP address.
To assign a temporary IP address:
1. On a UNIX or Windows-based host, create an entry in the host's ARP table
using the intended IP address and the hardware address of the unit (on the
product label on the bottom of the unit).
arp -s 191.12.3.77 00:20:4a:xx:xx:xx (Unix)
arp -s 191.12.3.77 00-20-4a-xx-xx-xx (Windows)
Note: For the ARP command to work on Windows 95, the ARP table
on the PC must have at least one IP address defined other than its
own.
2. If you are using Windows 95, type ARP -A at the DOS command prompt to
verify that there is at least one entry in the ARP table. If the local machine is
the only entry, ping another IP address on your network to build a new entry
in the ARP table; the IP address must be a host other than the machine on
which you are working. Once there is at least one additional entry in the ARP
table, use the following command to ARP an IP address to the unit:
arp -s 191.12.3.77 00-20-4a-xx-xx-xx
3. Open a Telnet connection to port 1. The connection fails quickly, but the unit
temporarily changes its IP address to the one designated in this step.
telnet 191.12.3.77 1
4. Open a Telnet connection to port 9999, and press Enter within five seconds
to go into Setup Mode. If you wait longer than five seconds, the unit reboots.
telnet 191.12.3.77 9999
Note: The IP address you just set is temporary and reverts to the default
value when the unit’s power is reset, unless you configure the unit with a
static IP address and store the changes permanently.
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C: Binary to Hexadecimal Conversions
Many of the unit’s configuration procedures require assembling a series of options
(represented as bits) into a complete command (represented as a byte). Convert the
resulting binary value to a hexadecimal representation.
Converting Binary to Hexadecimal
Following are two simple ways to convert binary numbers to hexadecimals.
Conversion Table
Hexadecimal digits have values ranging from 0 to F, which are represented as 0-9, A
(for 10), B (for 11), etc. To convert a binary value (for example, 0100 1100) to a
hexadecimal representation, the upper and lower four bits are treated separately,
resulting in a two-digit hexadecimal number (in this case, 4C). Use the following table
to convert values from binary to hexadecimal.
Decimal
Binary Hex
0
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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C: Binary to Hexadecimal Conversions
Scientific Calculator
Another simple way to convert binary to hexadecimals is to use a scientific calculator,
such as the one available on Windows’ operating systems. For example:
1. On the Windows’ Start menu, click ProgramsꢁAccessoriesꢁCalculator.
2. On the View menu, select Scientific. The scientific calculator displays.
3. Select Bin (Binary), and type the number to convert.
4. Click Hex. The hexadecimal value displays.
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E: Compliance and Disclaimer
Manufacturer’s Name & Address
Lantronix 15353 Barranca Parkway, Irvine, CA 92618 USA
Declares that the following product:
Product Name Model: UDS2100 Device Server
Conforms to the following standards or other normative documents:
Safety
UL 60950-1
CSA 22.2. No 60950-1-03
EN 60950-1
TUV
VCCI
C-TICK
Electromagnetic Emissions
FCC Part 15 Subpart B Class A
ICES-003 Issue 4 February 2004 Class A
AS/NZS CISPR 22: 2006 Class A
EN55022: 1998 + A1: 2000 + A2: 2003 CLASS A
EN61000-3-2: 2000 Class A
EN61000-3-3: 1995 +A1: 2001
VCCI
V-3/2006.04 Class A
Electromagnetic Immunity
EN55024: 1998 +A1: 2001 +A2: 2003
IEC 61000-4-2: 1995
IEC 61000-4-3: 1995
IEC 61000-4-4: 1995
IEC 61000-4-5: 1995
IEC 61000-4-6: 1996
IEC 61000-4-8: 1993
IEC 61000-4-11: 1994
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E:Compliance and Disclaimer
RoHS Notice
All Lantronix products in the following families are China RoHS-compliant and free of the following hazardous substances and
elements:
•
•
Lead (Pb)
Cadmium (Cd)
•
•
Mercury (Hg)
Hexavalent Chromium (Cr (VI))
Toxic or hazardous Substances and Elements
•
•
Polybrominated biphenyls (PBB)
Polybrominated diphenyl ethers (PBDE)
Product Family Name
Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Hexavalent
Chromium
Polybrominated
biphenyls (PBB)
Polybrominated diphenyl
ethers (PBDE)
(Cr (VI))
UDS1100 and 2100
EDS
MSS100
IntelliBox
XPress DR & XPress-DR+
SecureBox 1101 & 2101
WiBox
UBox
MatchPort
SLC
XPort
WiPort
SLB
SLP
SCS
SLS
DSC
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
O: toxic or hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement in SJ/T11363-2006.
X: toxic or hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement in SJ/T11363-2006.
Disclaimer and Supplementary Information
This product has been designed to comply with the limits for a Class A digital device
pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable
protection against such interference when operating in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy, and if not
installed and used in accordance with this guide, may cause harmful interference to
radio communications. Operation of this equipment of this equipment in a residential
area is likely to cause harmful interference in which case the user will be required to
correct the interference at user own expense.
This Class A digital apparatus complies with Canadian ICES-003
Cet appareil num′erique de la classe A est conforme ′a la norme NMB-003 du
Canada
The product complies with the requirements of the Low Voltage Directive 72/23/EEC
and the EMC Directive 89/336/EEC.
Changes or modifications to this device not explicitly approved by Lantronix will void
the user's authority to operate this device. The information in this guide may change
without notice. The manufacturer assumes no responsibility for any errors that may
appear in this guide.
Manufacturer’s Contact
Director of Quality Assurance, Lantronix
15353 Barranca Parkway, Irvine, CA 92618 USA
Tel: 949-453-3990
Fax: 949-453-3995
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Index
Accessing, 17
Flush Mode, 53
Gateway, 39
Applications, 9
ARP and Telnet, 79
AutoIP, 15, 78
Getting started, 13
Hardware address, 12, 15
Host list settings
Setup Mode, 47
Web-Manager, 26
Installation, 14
Baudrate, 42
Binary to hexadecimal conversions, 80
BOOTP, 15, 79
Buffer flushing, 53
Channel settings, 42
Setup Mode, 42
Interface Mode, 43
Internal web server, 11
IP address
Web Manager, 27
Command line interface, 36
Compliance, 83
assigning, 16
automatic assignment, 23
factory default, 15
gateway, 39
Configuration methods, 11
Connect Mode, 44
Connection settings
TCP, 30
other ways to assign, 78
remote, 52
UDP, 33
requirement, 15
searching for on the network, 17
Setup mode, 39
show after ring, 51
static, 24
Connectors, 72
Contacts, 2
CPU Performance, 56
current settings, 17
Default settings
Label, 12
applying in Setup Mode, 59
applying in Web-Manager, 35
DeviceInstaller
LEDs, 67
MAC address, 12
Modem emulation, 11
Modem Mode, 49
Escape sequence, 51
Monitor Mode, 64
Mounting brackets, 77
Netmask, 40
accessing the unit, 21
assigning the IP address, 16
installing from product CD, 16
DHCP, 15, 78
DHCP name, 41
Disclaimer, 83
Network settings, 22
Setup Mode, 39
Web Manager, 22
Pack control, 53
Package contents, 13
Password
Disconnect Mode, 52
Disconnect time, 55
DNS server, 40
DNS Server, 24
Error messages, 69
Ethernet address, 12
Expert settings, 56
Firmware
channel, 55
enhanced, 59
Telnet, 40
recovering, 62
Pinouts, 72
upgrading, 61
Port
Flow, 43
number, 44
UDS2100 User Guide
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remote, 52
Web-Manager, 25
Setup Mode, 36
Problems, 69
Protocols, 11
accessing by serial port, 37
accessing by Telnet, 36
SNMP, 58
Redirection software, 10
Required information, 15
RoHS notice, 84
Security settings, 57
Send characters, 55
Serial port
Source port
auto-increment, 52
TCP settings, 30
Technical specifications
Technical Support, 71
Telnet terminal type, 55
TFTP, 61
accessing Setup Mode, 20
login, 20
Serial settings
Setup Mode, 42
Web Manager, 27
Serial tunneling, 9
Server settings
Troubleshooting, 7, 14, 67
UDP settings, 33
Warranty, 82
Web-Manager, 21
Setup Mode, 39
UDS2100 User Guide
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