CABLETRON SYSTEMS, INC.
=======================

   FOT-DF24

   Device Type            Redundant transceiver                   
   NIC Type               Ethernet                                
   Maximum Onboard Memory Unidentified                            
   Boot ROM               Not available                           
   Network Transfer Rate  10Mbps                                  
   Topology               Star                                    
   Wiring Type            Fiber optic cable                       
   Data Bus               External                                

<gopher://bitreich.org/I/th99/n/C-D/42291-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function       | Label |       Function       | Label |
   |---------------------+-------+----------------------+-------|
   | AUI transceiver via |  CN1  | Fiber optic          |  TX1  |
   | DB-15               |       | connector (ST) -     |       |
   |                     |       | transmit (port 1)    |       |
   |---------------------+-------+----------------------+-------|
   | Fiber optic         |  RX1  | Fiber optic          |  TX2  |
   | connector (ST) -    |       | connector (ST) -     |       |
   | receive (port 1)    |       | transmit (port 2)    |       |
   |---------------------+-------+----------------------+-------|
   | Fiber optic         |  RX2  |                      |       |
   | connector (ST) -    |       |                      |       |
   | receive (port 2)    |       |                      |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | SQE test function disabled          |  SW1  |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | SQE test function enabled           |  SW1  |    On    |
   |---+-------------------------------------+-------+----------|
   |   | Waits for data for approximately    |  SW2  |   MIN    |
   |   | 2sec before switching to redundant  |       |          |
   |   | port                                |       |          |
   |---+-------------------------------------+-------+----------|
   |   | Waits for data for approximately    |  SW2  |   MAX    |
   |   | 10sec before switching to redundant |       |          |
   |   | port                                |       |          |
   |------------------------------------------------------------|
   | Note: SW2 should be set to MIN when attached to a          |
   | high-activity network. The MAX setting should be used with |
   | a low-activity network.                                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Color  |  Status  |            Condition            |
   |------+--------+----------+---------------------------------|
   | PWR  | Green  |    On    |           Power is on           |
   |------+--------+----------+---------------------------------|
   | PWR  | Green  |   Off    |          Power is off           |
   |------+--------+----------+---------------------------------|
   | SQE  | Yellow |    On    |    Signal Quality Error test    |
   |      |        |          |       function is enabled       |
   |------+--------+----------+---------------------------------|
   | SQE  | Yellow |   Off    |    Signal Quality Error test    |
   |      |        |          |      function is disabled       |
   |------+--------+----------+---------------------------------|
   | XMT  | Green  | Blinking |    Data is being transmitted    |
   |------+--------+----------+---------------------------------|
   | XMT  | Green  |   Off    |  Data is not being transmitted  |
   |------+--------+----------+---------------------------------|
   | RCV  | Yellow | Blinking |     Data is being received      |
   |------+--------+----------+---------------------------------|
   | RCV  | Yellow |   Off    |   Data is not being received    |
   |------+--------+----------+---------------------------------|
   | CLN  |  Red   | Blinking |  Collision detected on network  |
   |------+--------+----------+---------------------------------|
   | CLN  |  Red   |   Off    |    No collision detected on     |
   |      |        |          |             network             |
   |------+--------+----------+---------------------------------|
   | LNK1 | Green  |    On    | Port 1 Fiber optic link is good |
   |------+--------+----------+---------------------------------|
   | LNK1 | Green  |   Off    | Port Fiber optic link is broken |
   |------+--------+----------+---------------------------------|
   | ACT1 | Yellow |    On    |   Port 1 is handling network    |
   |      |        |          |             traffic             |
   |------+--------+----------+---------------------------------|
   | ACT1 | Yellow |   Off    | Port 1 is not handling network  |
   |      |        |          |             traffic             |
   |------+--------+----------+---------------------------------|
   | ACT1 | Yellow | Blinking | Port 1 is idle. Time out is set |
   |      |        |  (slow)  |          to 10 seconds          |
   |------+--------+----------+---------------------------------|
   | ACT1 | Yellow | Blinking | Port 1 is idle. Time out is set |
   |      |        |  (fast)  |          to 2 seconds           |
   |------+--------+----------+---------------------------------|
   | LNK2 | Green  |    On    | Port 2 Fiber optic link is good |
   |------+--------+----------+---------------------------------|
   | LNK2 | Green  |   Off    |   Port 2 Fiber optic link is    |
   |      |        |          |             broken              |
   |------+--------+----------+---------------------------------|
   | ACT2 | Yellow |    On    |   Port 2 is handling network    |
   |      |        |          |             traffic             |
   |------+--------+----------+---------------------------------|
   | ACT2 | Yellow |   Off    | Port 2 is not handling network  |
   |      |        |          |             traffic             |
   |------+--------+----------+---------------------------------|
   | ACT2 | Yellow | Blinking | Port 2 is idle. Time out is set |
   |      |        |  (slow)  |          to 10 seconds          |
   |------+--------+----------+---------------------------------|
   | ACT2 | Yellow | Blinking | Port 2 is idle. Time out is set |
   |      |        |  (fast)  |          to 2 seconds           |
   +------------------------------------------------------------+