Dyna-Switch/16
Dyna-Switch/24
16 Port or 24 Port
10/100Base-TX Switch
FEP-31016T-1
FEP-31024T-1
908 Canada Court
City of Industry, CA 91748 U.S.A.
Phone: 626.964.7873 or 800.346.6668 Fax: 626.964.7880
e-mail: [email protected]
USER’S MANUAL
©UNICOM 2001. UNICOM and “A Network Systems Solution” are trademarks of UNICOM Electric, Inc.
All rights reserved. Specifications subject to change without notice.
Rev: 12.02
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Introduction
Troubleshooting
The Switch can be easily monitored through panel indicators to assist in
identifying problems. This section describes common problems you may
encounter and possible solutions.
The Dyna-Switch/16 and Dyna-Switch/24 (Auto MDI/MDIX) are Fast
Ethernet switches that provide wire-speed, a Fast Ethernet switching
function which allows high-performance, low-cost connections to Full-
duplex, Half-duplex, 10Mbps and 100Mbps Ethernet networks. The
Switches are targeted at workgroup, department, or backbone computing
environments in SME (small, medium enterprise) businesses.
I Power
If the power indicator does not light when the power cord is plugged
in, you may have a problem with the power outlet or cord. However, if
the power LED goes off after running for a while, check for loose power
connections, power losses or surges at the power outlet. Turn off
power, wait 30 seconds and turn power on again. If problem is still
not resolved, call for dealer’s assistance.
These Switches provides auto-sensing 10/100Mbps Ethernet RJ-45 ports
which automatically detect the speed of the device that you plug into them.
This switching function allows 10Mbps, 100Mbps, Full-duplex and Half-
duplex devices to communicate on the same network without having to
replace any infrastructure. This flexible feature allows your network a
timely, economical migration to 100Mbps Fast Ethernet.
I Cabling
Verify that the cabling type is correct. Make sure all cable connectors
are securely seated in the required ports. Use only standard
Unshielded Twisted-Pair (UTP), Category 3, 4, 5, or 5e cables. Use
only Category 5 or 5e when connecting with Fast Ethernet. Make
certain the maximum distance between the Switch and what it’s
connected to is 100 meters or less.
Key Features
I
Automatic MDI/MDIX crossover for all ports
I
N-Way Auto-negotiation for 10/100Mbps transmissions
I
Store-and-Forward switching architecture
NOTE: Do not plug a standard telephone cord into an RJ-45 port.
I
Auto-detection of full/half-duplex mode in all ports
This may damage the switch.
I
Performs non-blocking full wire speed
I
8K-entry MAC address table
Product Specifications
I
LED indicators for Power, Link/activity, and Full Duplex/Collision
I
19” Rack-mountable with included brackets
General Specifications
I
Conforms to IEEE 802.3, 802.3u, and 802.3x standard
Standard
IEEE 802.3 10Base-T Ethernet
Compliance:
IEEE 802.3u 100Base-TX Fast Ethernet
IEEE 802.3x Flow Control and Back-pressure
IEEE ANSI/IEEE 802.3 N-way Auto-negotiation
CSMA/CD
10/100Mbps Auto-sensing RJ-45 ports with
Auto MDI/MDIX crossover
Protocol
Ports:
Data Transfer Rate: Ethernet:
10Mbps (half-duplex)
20Mbps (full-duplex)
For full coverage of your warranty, be sure
to register your product using the enclosed
registration card.
Fast Ethernet: 100Mbps (half-duplex)
200Mbps (full-duplex)
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Segment Bridge
Hardware Description
For enterprise networks where large data broadcasts are constantly
processed, these switches are an ideal solution for department users to
connect to the corporate backbone.
The Front Panel
The Front Panels of the Dyna-Switch/16 and 24 consist of
10/100Base-TX RJ-45 ports and LED Indicators.
In the illustration below, two Ethernet switches, with PCs, print servers,
and a local server attached, are both connected to a Dyna-Switch. All of
the devices in this network can communicate with each other through
the Dyna-Switch. Connecting servers to the switch allows other users to
access the server’s data.
LK/ACT
Dyna-Switch/16
16 Port 10 100Base-TX Switch
/
FD/COL
LK/ACT
FD/COL
POWER
LK/ACT
Dyna-Switch/24
FD/COL
24 Port
LK/ACT
10 100Base-TX Switch
/
FD/COL
POWER
Figure 2. Front Panel views of Dyna-Switch/16 and 24
Server
The Rear Panel
CT
LK/A
FD/COL
CT
LK/A
L
FD/CO
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16
The 3-pronged power plug is located at the rear panel of the
switches as shown in the Figure 3. The Switch operates on AC in the
range 100-240V AC, 50-60Hz.
Figure 3. Rear panel view of the Dyna-Switch/16 and 24
Printers
LED Indicators
Workstations
The LED Indicators give real-time information of systematic operation
status. The following table provides descriptions of the LED status
and their meanings.
Figure 6. Segment Bridge Application
Per Device: Power
Per Port:
LINK/ACT ( Link/Activity )
FDX/COL ( Full duplex/Collision )
For LED indication details, please refer to page 4.
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Network Application
LK/ACT
FD/COL
LK/ACT
FD/COL
Dyna-Switch/16
16 Port 10 100Base-TX Switch
/
This section provides a few samples of network topology in which the
Switches are used. The Dyna-Switch/16 and 24 are designed to be
used as segment switches. With their large address tables (8K MAC
address) and high performance, they are ideal for interconnecting
networking segments.
You can use the Dyna-Switch/16 and 24 to connect PCs, workstations,
and servers to each other by connecting these devices directly to a
Switch. The switch automatically learns node addresses, which are
subsequently used to filter and forward all traffic based on the
destination address.
POWER
LINK/ACT and FDX/COL
Indicators
Power Indicator
Figure 4. Front panel view of LED indicators
Status LEDs
Small Workgroup
LED
Status
Color
Description
The Dyna-Switch/16 and 24 can be used as standalone switches
interconnecting personal computers, servers, and print servers forming a
small workgroup.
Power
On
Green
The switch is supplied with
suitable power.
On
Blinks
Off
Green
The port is connecting with
the device.
LINK/ACT
FDX/COL
The port is receiving or
transmitting data.
CT
LK/A
FD/COL
CT
LK/A
OL
FD/
6
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The port is not linked
successfully with the device.
On
Orange
The port is operating in Full
Duplex mode.
Blinks
Off
A packet collision occurred at
this port.
Printers
Server
No device attached or the port is
operating in Half Duplex mode.
Workstations
Figure 5. Small Workgroup Application
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