Quatech Network Card DSE 410D User Guide

Dual-Port Multi-Interface  
(RS-232/422/485)  
Ethernet Serial Device Server  
Model DSE-410D  
Documentation Number: 940-0186-100  
World Headquarters  
Quatech, Inc.  
5675 Hudson Industrial Parkway  
Hudson, OH 44236  
Telephone (330) 655-9000 - Fax (330) 655-9010  
Sales e-Mail: sales@Quatech.com - Fax (330) 655-9070  
Quatech, Inc. – August 2003  
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Table of Contents  
Document Number: 940-0186-100 – DSE-410D Owner’s Manual  
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1
Introduction  
The Quatech DSE-410D Dual-Port Ethernet Serial device server provides Ethernet to  
Serial connections for RS-232, RS-422, or RS-485 devices. The serial ports can be  
accessed over a LAN/WAN using “Direct IP Mode”, “Virtual COM Port”, or “Paired  
Mode” connection. The 10/100 Mbps Ethernet connection auto-selects 10 BaseT or  
100 BaseTX and indicates the type of connection with a bi-color link light.  
Features  
Dual Serial Ports –One Multi-Interface Selectable  
(RS-232, RS-422, or RS-485), and One RS-232  
10/100 Mbps Ethernet with Auto Selection  
LAN and WAN Communications  
Configurable as TCP or UDP Client or Server  
Device Driver Support – Windows 98/ME/NT/2000/XP  
Includes Quatech DSE-410D Manager Software for Windows  
Includes Virtual COM Driver Software for Windows  
Selectable Heart Beat Connection  
Firmware Download for Future Revisions/Upgrades  
The Heart Beat Connection ensures reliable communications in Virtual COM port  
mode or with paired connections. This feature restores the connections if  
communications are temporarily lost at either end due to loss of power or the Ethernet  
connection.  
The Quatech DSE-410D Manager Software provides easy configuration of Ethernet  
and Serial port settings. For configuration, the DSE-410D can be attached to your  
network using a standard Cat 5 Ethernet cable, or to the Ethernet port of your  
computer using a crossover cable. If a network connection is not available, the DSE-  
410D can be configured in Console Mode from an RS-232 port, using a VT100  
Terminal Emulation program and an RS-232 crossover cable. HyperTerminal is  
included with Windows and is recommended.  
The DSE-410D Virtual COM Driver installs a virtual COM port which is viewable in  
the Windows Device Manager under “Ports” (COM & LPT). This virtual COM port  
provides access to one of the ports on the DSE-410D the same as any other serial port  
(legacy, PCI, USB, or PCMCIA) on the computer. Any program running on the  
computer and using Windows-based COM ports can access the serial devices attached  
to the DSE-410D. The LAN becomes transparent to the serial device and the software  
running on the PC.  
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Communication Modes  
The DSE-410D enables communication with serial devices over a LAN or WAN.  
Serial devices are no longer limited to a physical connection to the PC COM port.  
They can be installed anywhere on the LAN using TCP/IP or UDP/IP  
communications. This will allow traditional Windows PC software access to serial  
devices anywhere on the LAN/WAN network.  
Direct IP Mode  
Direct IP connections allow applications using TCP/IP or UDP/IP socket programs to  
communicate with the asynchronous serial ports on the DSE-410D. In this type of  
application the DSE-410D is configured as a TCP or UDP server. The socket program  
running on the PC establishes a communication connection with the DSE-410D. The  
data is sent directly to and from the serial port on the server.  
Virtual COM Mode  
Use Install Virtual COM to add a driver that provides a Virtual COM port on the  
computer. The new COM port shows up in the Device Manager. Windows programs  
using standard Windows API calls are able to interface such Virtual ports. When a  
program on the PC opens the new COM port, it connects to the remote serial device  
connected to one of the ports on the DSE-410D.  
DSE-410D  
After connection, the LAN is transparent to the program and serial device.  
Applications are able to work just as if the serial device is connected directly to a  
physical COM port on the computer. The Virtual COM port software converts the  
application’s data into an IP packet, sends it across the network to the DSE-410D,  
which converts the IP packet back to serial data and sends the data out the serial port.  
To use this mode, the DSE-410D must be set to either TCP/server or UDP/server in  
the menu with a designated communication port number. The virtual COM driver is  
the TCP or UDP client.  
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Heart Beat Connection  
The Heart Beat Connection provides an extra measure of reliable communications  
assurance in Virtual COM Port Mode or Paired (Tunneling) Mode. This feature  
restores the TCP connection if communication is temporarily lost at either end due to  
loss of power or Ethernet connection.  
Without this feature, a device that loses a connection and stops communicating would  
not be able to reconnect without human attention to correct the problem. A TCP data  
connection can be lost when there is a power failure or temporary loss of an Ethernet  
connection on either the client or server.  
If a loss occurs, the Heart Beat feature will try to reconnect the TCP data connection  
every 5 seconds until communications is established again.  
The Heart Beat feature is not available when running in UDP Mode.  
Quick Start  
This section lists the steps needed to start using the DSE-410D.  
Please familiarize yourself with the connections, indicators and switches before  
beginning. See chart and diagram on page 7.  
There are three ways to configure the DSE-410D for your network and serial devices.  
We recommend the first method if using a Windows operating system.  
1. Ethernet connection using the Quatech DSE-410D Manager under Windows  
2. Ethernet connection using the Telnet VT100 Terminal software  
3. RS-232 connection in Console mode using VT100 Terminal software  
The DSE-410D can be configured on your network using a standard Cat 5 Ethernet  
cable, or to the Ethernet port on your computer using a crossover cable. Use the DSE-  
410D Manager utility with Windows or use Telnet for configuration without Windows.  
With Console configuration, an RS-232 Crossover (null modem DTE/DTE) cable is  
usually needed, as the DSE-410D ports are configured DTE for RS-232. Set the mode  
switches to Console mode, (SW 1 - ON, SW 2 - ON, SW 3 - ON) before configuration.  
Step 1: Decide which method to use for configuration and operation.  
If using the Console mode for setup, refer to the Console mode section, Chapter 9,  
and Chapter 5, then power up the DSE-410D.  
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Step 2: Attach the DSE-410D to your network’s switch or hub using a standard Cat 5  
Ethernet cable, or directly to the LAN port on your computer using a crossover cable.  
You can connect your serial devices now if needed.  
If using Telnet for setup, refer to the Console mode section, Chapter 9, and  
Chapter 5, then power up the DSE-410D.  
Step 3: If using Windows, install the Quatech DSE-410D Manager software on the  
configuring Computer.  
Step 4: Power on the DSE-410D and check the status lights.  
Step 5: Start the Quatech DSE-410D Manager from your program menu.  
Step 6: Select Search to find the DSE-410D on your network.  
Step 7: When found, Double-Click the DSE-410D to bring up the Server Properties  
Configuration Screen. If more than one DSE-410D shows up, select the one that  
matches the Default IP Address shown on the bottom of the DSE-410D (usually  
192.168.0.1).  
Step 8: Refer to the Server Properties section, Chapter 5 for details on the  
Configuration parameters for each field. Configure and then Save/Update.  
Step 9: If you want to use Virtual COM ports with Windows, install the Virtual COM  
port or ports on each computer requiring access to the DSE-410D.  
Default DSE-410D Settings  
Server Name:  
Serial Number:  
Password:  
DHCP:  
Quatech  
Blank  
Disable  
IP Address:  
Net Mask:  
Gateway:  
192.168.0.1  
255.255.255.0  
192.168.0.254  
MAC Address Fixed – see bottom label  
Baud Rate:  
9600  
Data/Parity/Stop:  
Flow Control:  
8-N-1  
None  
TCP/UDP Ports:  
Connection Mode:  
TCP Port 1 – 4000, Port 2 - 4001  
Server  
Remote IP Address: 255.255.255.255  
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Specifications  
Serial Memory:  
LAN:  
8K bytes per port  
10/100 Mbps Auto-detecting  
10 BaseT or 100 BaseTX  
Protocols  
TCP, IP, ARP, DHCP, Telnet, HTTP, UDP, ICMP  
Indicators  
Power – Red LED  
Link – Yellow or Green (10 BaseT or 100 BaseTX)  
Ready – Flashing Green  
Connectors  
Ethernet: single RJ-45 female  
Serial: two - 9 pin D-type male (DB9M)  
DSE-410D Port 1 is switch selectable as RS-232/422/485  
DSE-410D Port 2 is always RS-232  
DC:  
ultra-miniature phone jack (2.5mm), Tip (+), Sleeve ()  
Serial Signals  
RS-232 (DTE): TXD, RXD, RTS, CTS, DTR, DSR, DCD, and GND  
RS-422: TXDB(+), TXDA(), RXDB(+), RXDA(), RTS(+), RTS(), CTS(+),  
CTS(), and GND  
RS-485: Data B (+), Data A (–), and GND  
Baud Rate: 110 bps to 230.4 kbps  
Parity:  
none, even, odd  
Data Bits: 7, 8  
Stop Bits: 1, 2  
Power & Environment  
Power Requirements:  
12 VDC @ 300 mA  
Operating Temperature: 0 to 50 °C (32 to 122 °F)  
Storage Temperature:  
Humidity:  
Approvals:  
20 to 60 °C (4 to 140 °F)  
0 – 90% Non-Condensing  
CE, FCC  
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Dimensions  
3.35 x 4.5 x 0.90 in (8.5 x 11.5 x 2.3 cm)  
Hardware and Included Accessories  
DSE-410D Ethernet Serial Device Server  
Power Supply: 12VDC/500mA (tip positive/sleeve negative)  
Area Dependent: US power plug (120VAC/60Hz) or  
International AC plug (220/240VAC/50Hz)  
Manual (paper copy of this manual)  
CD-ROM disc with software for Windows 98/ME/NT/2000/XP and Quatech  
DSE-410D Manager/Virtual COM Driver software  
Optional Accessories  
DSE-410D-DIN: Mounting clips for 35mm DIN Rail  
Configuration Options  
Console Mode using RS-232 with VT100 emulation  
Telnet using VT100 emulation  
Software for Console Mode or Telnet not included, can use HyperTerminal  
with Windows  
Quatech DSE-410D Manager using Windows 98/ME/NT/2000/XP  
DSE-410D Manager software includes Search for Quatech DSE-410D on  
network, Configure Server Properties, Add/Remove Virtual COM port in  
Windows, and Firmware download for future revisions  
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2
Hardware  
This section covers indicators, switch settings and connections.  
Side View – when vertically mounted  
Light Indication  
Power Red - Power is applied  
Yellow – 10 BaseT Ethernet or  
Green – 100 BaseTX Ethernet connection established  
Link  
Ready Flashing Green – system is ready  
Ethernet Connection  
A straight-through RJ45 (male) Ethernet cable can be used to connect the serial server  
to an Ethernet hub, switch, or wall plate. A crossover Ethernet cable can be used to  
make a connection directly to the RJ45 Ethernet port on a PC or laptop.  
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Top View  
Power Connection  
Connect the included power supply to the DC-IN jack, and then plug the supply into  
the local power outlet. When power is applied, the Red power light will illuminate.  
The tip of the power plug is positive, the sleeve is negative. The standard  
12VDC/500mA power supply for North America shipment is 120VAC/60Hz; for  
Europe, Pacific, or UK it will be 230VAC or 240VAC/50Hz.  
Reset Button  
This button “soft” resets the DSE-410D, similar to removing/re-applying power. The  
Reset Button is recessed to avoid accidental operation. To reset the DSE-410D, insert  
a small plastic tool, press lightly and hold for 3 seconds. The Link and Ready lights  
will go out and come back on. If you change the Mode Switch settings, you can press  
Reset to reboot and read the new settings.  
Mode Switches – DSE-410D Server Port 1  
Set the switches for the mode desired, then apply or cycle the power.  
Mode  
SW1 SW2 SW3  
RS-485 Operation  
RS-422 Operation  
RS-232 Operation  
Default  
Upgrade Firmware  
Console Menu  
OFF OFF OFF  
ON  
OFF ON  
ON OFF ON  
OFF ON  
ON ON  
OFF OFF  
OFF  
ON  
ON  
Table 2.2 – Mode Switches  
The switches set the Multi-Interface serial port to RS-485, RS-422 or RS-232  
operation. They also select the Server Console mode for Configuration, Upgrade  
mode for new firmware downloading, or Default to reset the DSE-410D to the  
original default settings.  
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RS-485 Mode  
The RS-485 mode supports the Transmit and Receive Channels using 2-wire half-  
duplex operation. The data lines are differential with the Data B line positive relative  
to Data A in the Mark state. Ground provides a common mode reference. Refer to the  
Pin-out table for connections.  
Selecting Internal RS-485 Bias Resistors  
You can select RS-485 Receiver Biasing from the DSE-410D if your network doesn’t  
supply any. Remove the two side cover screws, slide the cover off, then set the two  
bias jumpers (shown open) to enable biasing (shorting).  
RS-422 Mode  
The RS-422 mode supports 4 channels with full duplex operation for Receive,  
Transmit, RTS (Request To Send) and CTS (Clear To Send). The data lines are in  
differential pairs with the B lines positive relative to the A lines. Ground provides a  
common mode reference. To use handshaking, Flow Control must be set to RTS/CTS  
during configuration. Refer to the Pin-out table for connections.  
RS-232 Mode  
The RS-232 mode supports eight channels plus Signal Ground and is configured as  
DTE, like a computer. Signals are single-ended and referenced to Ground. To use  
handshaking, Flow Control must be set to RTS/CTS during Configuration. Refer to  
the Pin-out table for connections.  
Default Setting  
Use this mode to reset the original factory default settings when powered on.  
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Upgrade Mode  
You can install newly revised firmware for the DSE-410D using RS-232 connections  
from a PC, through either the DSE-410D Manager or through the Virtual COM port.  
See Chapter 8 for details.  
Console Mode  
The Console mode provides access to the configuration menu using RS-232  
connections. Connect a null modem crossover cable between the Multi-Interface port  
and one of the computer’s RS-232 serial ports. The DSE-410D Serial ports are wired  
as DTE, like a computer, using DB9M connectors, so a crossover cable must be used  
to connect to another DTE port.  
In Console mode the default serial port settings are: 9600 baud, 8 data bits, No parity,  
and 1 stop bit. With Windows, you can use HyperTerminal with VT100 terminal  
emulation for Console mode configuration. Use the default settings only if they have  
not been changed during a prior installation/configuration. See Chapter 7 for details.  
Bottom View  
Serial Connections  
RS-232  
Signal Name  
DTE  
RS-232 DB9M  
Pin  
RS-422  
RS-485  
Carrier Detect  
In  
In  
Out  
DCD  
RXD  
TXD  
1
2
3
RXDA () --  
RXDB (+) --  
TXDB (+) Data B (+)  
Receive (Rx) Data  
Transmit (Tx) Data  
DataTerminal Ready  
Out  
---  
In  
Out  
In  
DTR  
GND  
DSR  
RTS  
CTS  
RI  
4
5
6
7
8
9
TXDA () Data A ()  
Signal Ground  
Data Set Ready  
Request To Send  
Clear To Send  
Ring Indicator  
GND  
GND  
CTSA () --  
CTSB (+) --  
RTSB (+) --  
RTSA ()  
In  
Table 2.3 - Serial Connection Pin-outs for RS-232/RS-422/RS-485  
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The DSE-410D has two DB-9 male connectors.  
DSE-410D Port 1 - Multi-Interface, dip-switch selectable RS-232, RS-422,  
or RS-485  
DSE-410D Port 2 - RS-232 only  
RS-232 Connections  
In the RS-232 mode, the ports are configured as DTE (Data Terminal Equipment),  
like a computer.  
DTE Device (Computer or DSE-410D)  
When connecting to a PC or another DTE device, use a null modem crossover cable.  
When connecting to a DCE device that can normally be plugged into a PC, use a  
straight through cable. Set Flow Control to None for 3-wire RS-232.  
Refer to Appendix B for DB9 to DB25 Conversion Cables.  
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RS-422 Connections  
In the RS-422 mode, TXD lines are outputs and RXD lines are inputs. Connect the  
TXDB(+) line to the RXDB(+) line of your device, and the TXDA(-) line to the  
RXDA(-) line of your device.  
If Flow Control is set for RTS/CTS, connect the RTSB(+) line to the CTSB(+) line of  
your device and RTSA(-) to CTSA(-) of your device. Connect from CTSB(+) to  
RTSB(+) of your device and from CTSA(-) to RTSB(+) of your device.  
If connecting to Receive Only RS-422 devices, connect from TXDB(+) and TXDA(-)  
to the receive pairs on all your devices.  
Ground is signal ground and provides a common mode reference for the RS-422  
Receiver and Transmitters.  
The RS-422 mode can be used for full duplex 4-wire RS-485 operation provided that  
the DSE-410D is acting as a sole master connecting to all the slave devices, and all  
slave devices share the Receive signal lines to the master. Set Flow Control for none,  
and omit connections to RTS/CTS line pairs.  
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RS-485 Connections  
Some RS-485 devices are marked opposite from the RS-485 standard that defines the  
Data B line as positive relative to Data A during a Mark state before enabling the  
transmitter, and after transmitting before tri-stating. If the RS-485 devices don’t  
respond, try swapping the Data B and Data A lines.  
If you want to connect 4-Wire RS-485 devices, you can use the RS-422 Mode  
provided that the DSE-410D will be connected as a Master in a single master system.  
If you have multiple masters, you cannot use this device because it does not tri-state  
the transmitter in RS-422 mode.  
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3
Install Quatech DSE-410D Software  
The Windows-based DSE-410D Manager and Virtual COM port software makes  
configuration fast and easy. We recommend installing the Software to configure the  
DSE-410D unless you are not using Windows.  
To install the DSE-410D Manager, Install Virtual Com, Uninstall Virtual COM  
programs:  
Inserting the Quatech CD in the CD-ROM will automatically launch the Install Shield  
Wizard.  
1. To manually start the software installation, select the Start button on the  
desktop. At the Run command line type D:start.exe and then select OK. D: is  
the drive letter for the CD-ROM.  
2. The Install Shield Wizard window automatically displays to begin the setup  
procedure.  
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3. Click Next when the Quatech DSE-410D Setup window appears.  
4. In the Choose Destination Location window, click Next to install the  
manager software in the default location (recommended). Select Browse to  
install into a user-selected directory.  
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5. The Setup Status window displays the progress of the installation.  
6. Select Finish when the Install Shield Wizard Complete appears.  
When the installation is complete the Install window closes. You can now start the  
DSE-410D Manager software. If the Management software is loaded in the default  
location, use Start/Programs/Quatech/SDS/DSE-410D. Select DSE-410D Manager to  
open.  
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If you have not already done so, connect the DSE-410D to your network using a Cat 5  
Ethernet cable or to the LAN port on your computer using a crossover cable, and then  
apply power.  
The Power indicator should light Red, the Link light should indicate which type of  
Ethernet connection has been made; and the Ready LED will flash indicating that you  
can begin configuration.  
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4
Using DSE-410D Manager  
The DSE-410D Manager software performs several functions:  
Searches the LAN for installed DSE-410D Servers  
Configures the DSE-410D Server for operation  
Uninstalls Virtual COM ports  
Configures Virtual COM ports  
Upgrades Firmware  
1. Connect the DSE-410D to the LAN using a standard Cat 5 Ethernet cable, or  
to the LAN port on your computer using an Ethernet crossover cable.  
2. Apply power. The Red Power indicator will light, the Link indicator lights  
when an Ethernet connection is made, and the Ready indicator will flash. See  
the Hardware chapter for more information.  
The DSE-410D Manager software can now be started and used to Search for all  
connected DSE-410D Server. Each Server will be found and displayed by name and  
IP address in the Server Window.  
Searching LAN for DSE-410D  
1. Select the DSE-410D Manager from your Programs menu. Use  
Start/Programs/Quatech/SDS/DSE-410D/DSE-410D Manager.  
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2. In the sidebar icon window select the icon labeled Searching Server. The  
Searching window is shown until all active DSE-410D Servers on the LAN  
are listed in the main DSE-410D Manager Window.  
These items are shown in the sidebar icon window of the DSE-410D Manager:  
Firmware Upgrade  
This is used when downloading new firmware to the DSE-410D Server. See  
Chapter 8.  
Virtual COM Configuration  
Can be used to change the Virtual COM Settings, IP address, Port #, Flow  
Control.  
Searching Server  
Can be used to find DSE-410D Servers on the network.  
Uninstall Virtual COM  
Shown in Windows 2000 and XP Device Manager only. Uninstall utility for  
Windows 98 and Me is located in Start/Programs/Quatech/SDS/DSE-410D/  
folder.  
These items are shown in the right side DSE-410D Manager Window:  
Server Name  
The DSE-410D Servers are listed twice, once for each port.  
IP Address  
The IP address for both DSE-410D ports is the same for each port by design.  
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Protocol  
The TCP or UDP mode is shown.  
COM Name  
The mapped COM number is shown.  
Status  
The Status indicates the Mapped (Virtual) COM port condition.  
“Not Connected” is shown when a program does not have the port Open.  
“Connected” is shown when that mapped port is Open for use.  
Server Properties Screen  
Highlight the DSE-410D Server in the Manager Server window; double-click to  
open.  
The Server Properties screen is used to Configure and store the Server settings.  
Details for setting Properties are shown in the next chapter.  
The DSE-410D Server Serial Port 1 is the Multi-Interface port; Server Serial Port 2 is  
the RS-232 port.  
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After Configuring as needed, click Update to Store the Configuration in the Server.  
After storing the configuration, and answering Yes to Restart, the Server is  
automatically reset. Repeat Search to verify changes.  
Continued in next chapter.  
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5
Server Properties Configuration  
The Quatech DSE-410D can be configured in one of three ways:  
DSE-410D Manager Software  
Telnet Mode  
Console mode  
The Server Properties Configuration screen shown in the previous chapter displays a  
box for each property; Telnet or Console configuration will show similar  
configuration items.  
In the DSE-410D Manager you can use the mouse to select the property and  
parameters for each property. Keyboard keys can be used as listed:  
Tab:  
Move to next configuration property.  
Tab+Shift:  
Left Arrow:  
Move back to previous property.  
Change values or contents of current property or  
Move up the list of items for current property  
Right Arrow: Change values or contents of current property or  
Move down the list of items for current property.  
Enter:  
Select Update or Cancel  
The Keyboard keys can be used as listed below for Telnet or Console. The default  
Telnet port for Configuration is 23.  
There are a few pre-defined keys to move around the menu and to save changes.  
Space Bar:  
Tab:  
To refresh the configuration page.  
To move the cursor to next field.  
Back Space:  
Arrow Keys:  
Enter:  
To move the cursor to previous field.  
To move the cursor around the configuration page.  
Telnet only - To open 2nd window of selections, confirm a selected  
change, or to activate the save, default, reset, and status.  
Note: Using Ping after/before Configuration will check communications with the  
selected IP address.  
At run prompt enter: Command  
Next enter: Ping xxx.xxx.xxx.xxx using the IP address on Command line.  
To check your computer IP address, gateway, enter IPCONFIG at prompt.  
When done, enter EXIT to return to Windows and close DOS window.  
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Server Name  
You can enter a new Server Name of up to 16 characters. If you have more than one  
DSE-410D Server on the LAN we recommend that you assign a new name to each.  
When the DSE-410D Manager finds DSE-410D Servers on the LAN it displays the  
Server name and IP Address allowing the user to distinguish between several DSE-  
410D Servers.  
Password  
Entering a password activates a security feature on the DSE-410D. Once a password  
is entered it will be required to access the menu and make changes.  
DHCP  
DHCP servers are a part of numerous LAN management systems. The DHCP field  
has two selections, “Disable” or “Enable”. Select, then Tab to another property.  
Telnet/Console: Arrow to the desired selection and select enter.  
Disable is the normal/default setting. When enabled, DSE-410D will send a DHCP  
request to the DHCP server, which will assign a dynamic IP address, net mask, and  
gateway to the DSE-410D. If a DHCP server is not available on the network, the  
DSE-410D will time out after 10 seconds and the default values will remain.  
IP Address, Netmask, and Gateway Properties  
The Network Administrator can provide IP Address, Netmask, and Gateway address  
information.  
All three fields will have to conform to your LAN for proper operation.  
IP Address  
Assign a static IP address using this property. A static IP address is retained and used  
each time the Server is powered up or starts/restarts. Software or hardware attempting  
to access the Server will need to use the static address to access the Server. The  
Network Administrator will assign/establish the static address or group of addresses to  
be used. The default IP address, such as IP 192.168.0.1, is shown on a label affixed to  
the bottom cover.  
A dynamic address assigned by the DHCP server may change if the DSE-410D looses  
the Ethernet connection or power is removed. The host (client) communication  
software requests a connection to the specific IP address of the DSE-410D. If the  
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DHCP reassigns a different IP address, the software will not be able to communicate  
with the hardware. We recommend using a static IP address.  
Net Mask  
The default LAN net mask is configured for a Class C address. The user can change  
this if desired. Default is 255.255.255.0  
Gateway  
The Gateway IP address allows users to access the DSE-410D from outside the LAN.  
MAC Address  
The MAC address is fixed, not adjustable. It is assigned in the factory. Every Ethernet  
device manufactured has it own unique MAC address.  
Link Status (Shown in Telnet or Console mode only)  
Link status automatically displays the type of Ethernet connection. It will either  
display 10 BaseT or 100 BaseTX in full duplex or half duplex. This will depend on  
the LAN, switches, and hubs used in the LAN topology.  
Server Serial Port (Select 1 or 2)  
One port is shown. Make selections for Port 1 (Multi-Interface), then select Port 2  
(RS-232) and make selections. Using the DSE-410D Manager, you must click Update  
to store settings for that port before changing to the other port. Only the settings for  
the port shown are stored. Using Telnet or Console mode, Save stores settings for both  
ports.  
Baud Rate (Set for each port)  
The serial port baud rate on the DSE-410D must match the serial baud rate of the  
connected device unless using Virtual COM mode. In Virtual COM mode, the  
software program will establish serial settings. Use the arrow keys to change the  
setting to the desired baud rate.  
Data/Parity/Stop (Set for each port)  
Set this to match the data format used by the device connected when the Virtual COM  
mode is not being used. Telnet/Console: Tab to the Data/Parity/Stop field and arrow  
to the desired selection.  
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Flow Control (Set for each port)  
The Flow Control setting must match the requirements of the device connected. Tab  
to the Flow Control field and arrow to None or RTS/CTS. Select None when setting  
DSE-410D Port 1 as RS-485 or 4-wire RS-422.  
Connection Mode (Set for each port)  
The Connection mode has two options, Client and Server.  
Select the Server mode to use a Virtual COM port or to use a TCP or UDP Socket  
program.  
When set as Client, the console mode or DSE-410D Manager software must be used  
to access the menu.  
TCP/UDP Protocol (Set for each port)  
Select TCP or UDP protocol. If the application does not require a UDP connection,  
select TCP. TCP guarantees reliable communication with error checking. TCP is  
Transmission Control Protocol and UDP is User Datagram Protocol.  
TCP/UDP Port (Set for each port)  
This sets the port number for connection. The default port numbers are 4000 and 4001.  
In all modes of operation, Direct IP or Virtual Com, the port number set in the DSE-  
410D menu must match the Virtual COM and socket software port settings.  
As an example, the Virtual COM default setting is TCP/UDP Port 4000. If the port #  
property is changed to 4001, then the Virtual COM TCP/UDP Port will have to be  
changed to 4001. The DSE-410D Manager or Telnet/Console configuration can  
change the setting for the hardware. The Virtual COM port setting can be changed  
within the Device Manager of the computer in which it is installed.  
Remote IP Address (Set for each port)  
This is a security feature activated by entering the IP address of the desired client. The  
DSE-410D will only communicate with the listed IP address and all other requests for  
connection will be filtered out. The DSE-410D is set to TCP or UDP Server in  
Connection Mode to use this feature.  
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The default setting is 255.255.255.255. If you are not using the Paired Mode, we  
recommend not changing this setting until the application has been tested and is  
communicating properly. Then you can activate the address-filtering feature.  
Update  
If using the Server Properties screen for Configuration, click the Update button to  
store the configuration settings. This also resets the Server. Search to locate the Server  
with new settings.  
If using the Telnet or Console mode, Tab to Save, then press Enter.  
There are five options shown at the bottom of the menu, “Save”, “Default”,  
Running”, “Reset” and Status. Use Tab, Backspace, or arrow keys to move the  
cursor to the option position, and then press Enter.  
Save stores the configuration data to DSE-410D flash memory, and resets it.  
Default restores the editing configuration data to factory default settings.  
Running restores the editing configuration data to the values stored in the flash.  
Reset re-boots the DSE-410D saving the change menu settings.  
Status displays how many Ethernet packets and serial bytes are transmitted and  
received. A refresh button is available to update the displayed figures.  
Refresh/Space Bar: Press to refresh the configuration page.  
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6
Installing Virtual Com Port  
The Virtual COM Port software enables Windows-based applications to use the serial  
port on the DSE-410D Server as a COM port or to use standard Windows API calls  
for COM port access.  
Running the Install Virtual COM port software adds a DSE-410D (COM#) port to the  
computer that shows up in the Device Manager. The COM number can be selected  
from a list of available numbers.  
For example, in a computer already having a COM1 and COM2, COM3 to COM 254  
are available for the DSE-410D. The virtual COM port looks like a standard COM  
port to most Windows-based applications, which allows the software to open a  
connection with the serial port located anywhere on the LAN. When using the virtual  
COM port, the DSE-410D is configured as a TCP or UDP Server.  
1. Select Install Virtual COM from your Programs list next to the DSE-410D  
Manager (Start/Programs/Quatech/SDS/DSE-410D/Install Virtual Com).  
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2. The program searches the LAN for all available DSE-410D Servers when it  
starts, then displays a list of those found in the Found Server window.  
Highlight the Server at the IP Address you wish to use, and then select OK.  
3. After the COMInst window opens, select the desired COM # in the Map To:  
options.  
4. Windows XP may provide a notice concerning Windows Logo testing for  
XP.  
This XP feature simply indicates that these drivers have not yet undergone  
the Microsoft testing procedures required to use the Windows XP Logo on  
the packaging. Driver compatibility is not affected.  
Select “Continue anyway” to proceed with the installation.  
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5. The Protocol TCP/UDP, IP Address, and Port Number will mirror the  
settings of the selected serial server.  
After setting both DSE-410D Serial Ports as Virtual COM ports, Select  
Cancel on the Found Server form.  
Note: Your PC may have hardware COM ports and devices such as a Modem, IR port  
or USB-based COM ports that are not currently connected. You may want to select a  
COM number above COM4 if problems occur.  
The default Flow Control setting is None. RTS/CTS can be selected if used by the  
application program and serial hardware. The DSE-410D Server must be set to match.  
The settings of the Virtual COM port in the Device Manager and the DSE-410D  
Configuration menu must match. If the settings do not match, the Virtual COM port  
will not work. If these settings are changed in the Device Manager, it will only affect  
the operation of the Virtual COM port. It will not change the settings stored in the  
DSE-410D. Use the DSE-410D Manager to change Server Settings.  
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Use Device Manager to View New Ports  
1. Confirm the Virtual COM port in the Device Manager. Double-click Ports to  
view the list of COM port numbers.  
The installed Virtual COM port will be displayed as Quatech DSE-410D  
(COM #).  
2. Select the DSE-410D COM#. Double-click it to bring up the Properties.  
3. Select the Configuration or Port Settings tab. This screen lets you change the  
Settings if needed.  
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4. Use Cancel if you don’t want to change any settings.  
Use OK to change the settings. Use Refresh in the Device Manager if your  
version of Windows doesn’t auto refresh.  
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7
Removing a Virtual Com Port  
The DSE-410D Management software’s Uninstall Virtual COM port feature will  
remove the mapped COM port in the Device Manager of Windows 2000 and XP  
operating systems. It may also be removed in the Device Manager of Windows  
98, Me, NT, 2000, and XP. Windows 98 users will also find a Remove Virtual  
COM feature in the programs file.  
Removing the Virtual COM port with the DSE-410D Management  
software  
1. At the Desk Top select Start/Programs/Quatech/ SDS/DSE-410D/DSE-410D  
Manager.  
2. In the Manager window select Virtual COM Configuration. Highlight the  
mapped COM port number to be removed.  
3. Select Uninstall Virtual COM button. The Manager will ask for confirmation.  
Select OK to complete the uninstall procedure.  
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Removing the Virtual COM Port using Device Manager  
The screen shots were taken from a Windows XP operating system.  
1. On the Desktop select Start/Settings/Control Panel. Select the system icon  
when the manager window opens.  
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2. Select Device Manager in the Systems Properties window. In the Device  
Manger window select the + next to Ports (COM & LPT) to expand.  
3. Highlight DSE-410D (COM #) to be removed, go the Action tab at the top of  
window and select uninstall. A confirm Device Removal window will appear.  
Select OK to procedure.  
4. The DSE-410D COM # will be removed and the Device Manager window  
will refresh and display the remaining COM ports.  
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8
Upgrade Mode  
New DSE-410D firmware may become available through our Web site for installation  
into the DSE-410D. The software can be downloaded to the DSE-410D using either  
the Virtual COM or hardware COM port.  
Using Virtual COM or Serial Connections  
1. Make a folder to receive the firmware file. Download the compressed  
software file from our website to your folder. Unzip or expand the file into  
the (.hex) format so it will be ready to download to the DSE-410D.  
2. Before Setting the DSE-410D to Upgrade mode, we recommend setting the  
DSE-410D Server baud rate to 115.2K if using a hardware COM port. This  
will provide the fastest download.  
3. Set DSE-410D Dip Switches to Upgrade, Switch 1 - OFF, Switch 2 - ON,  
and Switch 3 - ON. (As shown here)  
4. If using a Virtual COM port to upgrade, identify the virtual COM number  
and address used for the Multi-Interface port.  
5. If connecting directly to a Computer serial port, connect a null modem cable  
(Appendix B) between the Computer RS-232 port and the DSE-410D Multi-  
Interface (DSE-410D Port 1) serial port.  
Continued next page  
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6. Select Browse, locate the folder where you placed the firmware .hex file,  
select it, Open, and then select the Upgrade button.  
7. In the Serial Port selection options select the COM port number used to  
connect to the DSE-410D. If using the Virtual COM port, select that number.  
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8. Next a serial menu is shown so you can match the Upgrade mode settings to  
DSE-410D Server serial settings (which you noted in Server Properties). The  
settings must match or the upgrade will fail.  
9. Upgrade progress will be shown until the Upgrade was successful message is  
shown. Select and exit from the Manager software.  
10. When the upgrade is complete reset server. Use Telnet, Hyper Terminal  
Winsock or Console mode to access the menu. Once the menu is open select  
the reset button. When the DSE-410D is reset the build date listed at the  
bottom of the menu will reflect the new firmware version.  
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9
Chapter 9: Console Mode Setup  
Before the DSE-410D is installed on a LAN, the Console Mode can be used to change  
the settings from the Defaults. Set the three DSE-410D switches to the “ON” position.  
Connect a null modem cable between the Multi-Interface serial port (DSE-410D Port  
1) on the Server and the COM port on the Computer. See Chapter 5 for details of each  
Server Property Setting.  
Apply power to the DSE-410D. The power and ready LED will light.  
Using your VT100 Terminal emulation program (HyperTerminal can be used with  
Windows – Set Connect Direct to connected COM port #), open the COM port to  
which your cable is attached at a baud rate of 9600, Data bits 8, Parity None, Stop bits  
1, and Flow control None.  
To view the menu hit the space bar. Use the arrow keys to select the desired field. The  
following fields have a selection list to choose from, DHCP, UART Port, Baud Rate,  
Data/Parity/Stop, Flow control, TCP/UDP port and Connection mode. To view the  
options arrow to the field and select enter.  
Qua te c h, Inc .  
Se rve r na me :  
Se ria l numbe r:  
Pa ssword:  
DSE-410D  
0305000003  
DHC P:  
Disa ble  
IP a ddre ss:  
Ne tma sk:  
192.168.0__.1___  
255.255.255.0  
192.168.0__.254  
00:0b:b4:11:05:68  
10/Ha lf Duple x  
G a te wa y:  
MAC a ddre ss:  
Link Sta tus:  
UART port:  
Ba ud ra te :  
1
9600  
Da ta /Pa rity/Stop:  
Flow c ontrol:  
8-N-1  
None  
TC P/UDP port:  
C onne c tion mode :  
Re mote IP a ddre ss:  
TC P 4000  
Se rve r  
255.255.255.255  
Sa ve  
De fa ult Running  
Re se t Sta tus  
Ve rsion 1.5 built da te 8/18/03  
Ente r to se le c t va lue .  
Once all the changes have been made move to the Save field and select enter.  
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The restart message will appear. Select Yes to save changes. This is necessary to write  
the settings to the server. To view the changes press the Space bar. The screen will  
reappear.  
If you assign a password to the server, you will need to supply it before you can view  
the Configuration screen. When you access the server with a password and make no  
changes, Reset to end before Disconnect.  
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10 Appendix A: RS-232, RS-422 Loopback Connections  
For Transmit and Receive loopback, connect only those lines.  
When Flow Control setting on the Serial device server is set for RTS/CTS, those lines  
must be looped. Usually DTR and DSR must also be looped. The Flow Control setting  
for the program must match the Server settings. The CD connection is needed by  
some terminal programs to simulate Carrier.  
The RS-485 Connections are half duplex, either Receive or Transmit, so another half  
duplex device must be used to check operation.  
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11 Appendix B: RS-232 Connections  
RS-232  
Signal Name  
DTE  
RS-232 DB9M  
Pin  
Carrier Detect  
In  
In  
Out  
Out  
---  
In  
Out  
In  
DCD  
RXD  
TXD  
DTR  
GND  
DSR  
RTS  
CTS  
RI  
1
2
3
4
5
6
7
8
9
Receive (Rx) Data  
Transmit (Tx) Data  
Data Terminal Ready  
Signal Ground  
Data Set Ready  
Request To Send  
Clear To Send  
Ring Indicator  
In  
DTE Device (Computer or DSE-410D)  
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RS-232 Connections (cont’d.)  
Refer to Chapter 2 for more information.  
B-2  
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12 Appendix C: RS-422 Connections  
RS-422 Connections  
RS-422  
RS-422  
DB9M  
Signal Name  
Direction  
Pin  
Receive Data A ()  
Receive Data B (+)  
Transmit Data B (+)  
Transmit Data A ()  
Signal Ground  
In  
In  
Out  
Out  
---  
RXDA ()  
RXDB (+)  
TXDB (+)  
TXDA ()  
GND  
1
2
3
4
5
Clear to Send A ()  
Clear to Send B (+)  
Request to Send B (+)  
Request to Send A ()  
In  
In  
Out  
Out  
CTSA ()  
CTSB (+)  
RTSB (+)  
RTSA ()  
6
7
8
9
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RS-422 Connections (cont’d.)  
Refer to Chapter 2 for more information.  
C-2  
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13 Appendix D: RS-485 Connections  
RS-485  
RS-485  
DB9M  
Signal Name  
Data B (+)  
Data A ()  
Signal Ground  
Direction  
In/Out  
In/Out  
---  
Pin  
3
4
5
DATA B (+)  
DATA A ()  
GND  
Refer to Chapter 2 for more information.  
Document Number: 940-0186-100 – DSE-410D Owner’s Manual  
Quatech, Inc. - 5675 Hudson Industrial Parkway, Hudson, OH 44236 – 330.655.9000  
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DSE-410D Owner’s Manual – Document Number: 940-0186-100  
Quatech, Inc. - 5675 Hudson Industrial Parkway, Hudson, OH 44236 – 330.655.9000  
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14 Appendix E: Warranty  
Quatech, Inc. warrants the Serial Device Server to be free of defects in materials and  
workmanship for a period of five (5) years from the date of purchase. Quatech, Inc. will repair  
or replace any board that fails to perform under normal operating conditions and in accordance  
with the procedures outlined in this document during the warranty period.  
Any damage caused by external causes, including problems with electrical power, servicing not  
authorized by Quatech, negligent installation or operation, failure to follow documented  
procedures, abuse, or general misuse of the product is not covered by the warranty. Custom  
configured products are non-refundable. Quatech makes no express warranties except those  
stated in this paragraph and in the applicable warranty statements for specific products in effect  
on the date of invoice. No representation is made regarding the suitability of this product for  
any particular purpose.  
To request warranty service, you must call Quatech at (800) 553-1170, or submit the on-line  
form at: http://www.quatech.com/support/support.php within the warranty period with a  
description of the problem. If warranty service is required, Quatech will issue a Return Material  
Authorization (RMA) Number. You must ship the defective product back to Quatech during the  
warranty period in its original or equivalent packaging, prepay shipping charges, and insure the  
shipment or accept the risk of loss or damage during shipment. Quatech will ship the repaired or  
replacement products to you.  
Quatech reserves the right to modify its warranty at any time, in its sole discretion. All software  
is provided subject to the license agreement that is part of the package. Customer agrees that it  
will be bound by the license agreement once the package is opened or its seal is broken.  
Quatech does not warrant any software under this Agreement. Warranties, if any, for software  
are contained in the license agreement that governs its purchase and use.  
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO  
HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE. QUATECH'S SOLE  
OBLIGATION (AND CUSTOMER'S SOLE REMEDY) WITH RESPECT TO THE  
FOREGOING LIMITED WARRANTY SHALL BE TO, AT ITS OPTION, REFUND THE  
PURCHASE PRICE OR REPAIR/REPLACE ANY DEFECTIVE PRODUCTS, PROVIDED  
THAT QUATECH RECEIVES WRITTEN NOTICE OF SUCH DEFECTS DURING THE  
APPLICABLE WARRANTY PERIOD. CUSTOMER MAY NOT BRING AN ACTION TO  
ENFORCE ITS REMEDIES UNDER THE FOREGOING LIMITED WARRANTY MORE  
THAN ONE (1) YEAR AFTER THE ACCRUAL OF SUCH CAUSE OF ACTION. ALL  
EXPRESS AND IMPLIED WARRANTIES FOR THE PRODUCTS, INCLUDING  
WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND  
FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE  
WARRANTY PERIOD SET FORTH ABOVE AND NO WARRANTIES, WHETHER  
EXPRESS OR IMPLIED, WILL APPLY AFTER SUCH PERIOD. SOME STATES DO NOT  
ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE  
ABOVE LIMITATION MAY NOT APPLY TO YOU.  
Document Number: 940-0186-100 – DSE-410D Owner’s Manual  
Quatech, Inc. - 5675 Hudson Industrial Parkway, Hudson, OH 44236 – 330.655.9000  
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QUATECH, ITS LICENSORS, DISTRIBUTORS, AND SUPPLIERS (INCLUDING ITS AND  
THEIR DIRECTORS, OFFICERS, EMPLOYEES, AND AGENTS) SHALL NOT BE  
LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, EXEMPLARY, OR  
CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION LOST PROFITS,  
BUSINESS INTERRUPTION, LOST OR CORRUPTED DATA OR SOFTWARE, OR ANY  
OTHER DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE  
PRODUCTS, EVEN IF QUATECH OR ITS LICENSORS, DISTRIBUTORS, AND  
SUPPLIERS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.  
CUSTOMER AGREES THAT FOR ANY LIABILITY RELATED TO THE PURCHASE OF  
PRODUCTS OR SERVICES BUNDLED WITH THE PRODUCTS, QUATECH IS NOT  
LIABLE OR RESPONSIBLE FOR ANY AMOUNT OF DAMAGES ABOVE THE  
AGGREGATE DOLLAR AMOUNT PAID BY CUSTOMER FOR THE PURCHASE OF  
PRODUCTS UNDER THIS AGREEMENT. SOME STATES DO NOT ALLOW THE  
EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO  
THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.  
Please complete the following information and retain for your records:  
DATE OF PURCHASE:  
MODEL NUMBER:  
____________________________  
DSE-410D  
PRODUCT DESCRIPTION:  
SERIAL NUMBER:  
Dual-Port Serial Device Server  
____________________________  
All products returned to Quatech for either warranty or non-warranty repair MUST be assigned  
a Returned Material Authorization (RMA) number prior to shipment. This RMA number must  
be clearly marked on the exterior of the product’s return packaging and in any correspondence  
to ensure proper routing and prompt attention. To obtain an RMA number, contact Quatech  
Technical Support Department at 1-800-553-1170. In order to prevent damage to returned  
merchandise during shipment, please package electronic components in anti-static/shock proof  
materials.  
For warranty repair/returns, please have the following information available when contacting  
the Technical Support department:  
1. Model number and serial number of the product under warranty  
2. Repair instructions and/or specific description of the problem  
For non-warranty repairs or upgrades, contact the Technical Support department for current  
repair charges and please have the following information available:  
1. Purchase order number to cover the cost of the service  
2. Model number and serial number of the product  
3. Repair or upgrade instructions relative to the product  
E-2  
DSE-410D Owner’s Manual – Document Number: 940-0186-100  
Quatech, Inc. - 5675 Hudson Industrial Parkway, Hudson, OH 44236 – 330.655.9000  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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