BAY NETWORKS, INC.
==================

   354-ST

   Device Type            Fiber Optic Extender/Repeater           
   NIC Type               Token Ring                              
   Maximum Onboard Memory Unidentified                            
   Boot ROM               Not available                           
   Network Transfer Rate  4/16Mbps                                
   Topology               Ring                                    
   Wiring Type            Fiber optic cable                       
   Data Bus               External                                

<gopher://bitreich.org/I/th99/n/A-B/42294-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function     | Label |        Function         | Label |
   |------------------+-------+-------------------------+-------|
   | IEEE 802.5 data  |  CN1  | Fiber optic connector   |  TX   |
   | connector (STP)  |       | (ST) - transmit         |       |
   |------------------+-------+-------------------------+-------|
   | Fiber optic      |  RX   |                         |       |
   | connector (ST) - |       |                         |       |
   | receive          |       |                         |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     | SW1/1 | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |   | 354-ST used as fiber optic lobe | SW1/2 |      On      |
   |   | extender                        |       |              |
   |---+---------------------------------+-------+--------------|
   |   | 354-ST used as trunk repeater   | SW1/2 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | DTE/Ring in enabled             | SW1/3 |      On      |
   |---+---------------------------------+-------+--------------|
   |   | HOST/Ring out enabled           | SW1/3 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | Eql on (354-ST is connected to  | SW1/4 |      On      |
   |   | a 3502A Host Module)            |       |              |
   |---+---------------------------------+-------+--------------|
   |   | Eql off (354-ST is connected to | SW1/4 |     Off      |
   |   | a 3505 Host Module or Token     |       |              |
   |   | Ring station)                   |       |              |
   |---+---------------------------------+-------+--------------|
   |   | Attached device is not a        | SW1/5 |      On      |
   |   | SynOptics concentrator          |       |              |
   |---+---------------------------------+-------+--------------|
   |   | Attached device is a SynOptics  | SW1/5 |     Off      |
   |   | concentrator                    |       |              |
   |---+---------------------------------+-------+--------------|
   |   | 4Mbps mode enabled              | SW1/6 |      On      |
   |---+---------------------------------+-------+--------------|
   |   | 16Mbps mode enabled             | SW1/6 |     Off      |
   |------------------------------------------------------------|
   |      Note: A Synoptics fiber optic repeater module may     |
   |      only be connected when the device is configured as a  |
   |      trunk media converter. If the device is configured as |
   |      a lobe extender, SW1/5 is not used.                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                LOBE UNIT DIAGNOSTIC LED(S)                 |
   |------------------------------------------------------------|
   | LED  | Color | Status |             Condition              |
   |------+-------+--------+------------------------------------|
   | LED1 | Green |   On   |      354-ST is in 4mbps mode       |
   |------+-------+--------+------------------------------------|
   | LED1 | Green |  Off   |   354-ST is in not in 4mbps mode   |
   |------+-------+--------+------------------------------------|
   | LED2 | Green |   On   |      354-ST is in 16mbps mode      |
   |------+-------+--------+------------------------------------|
   | LED2 | Green |  Off   |  354-ST is in not in 16mbps mode   |
   |------+-------+--------+------------------------------------|
   | LED3 | Green |   On   |  Unit has been inserted into the   |
   |      |       |        |                ring                |
   |------+-------+--------+------------------------------------|
   | LED3 | Green |  Off   |  Unit has not been inserted into   |
   |      |       |        |              the ring              |
   |------+-------+--------+------------------------------------|
   | LED4 | Green |   On   |    Phantom detected from remote    |
   |      |       |        |  354-ST. Fiber optic link is good  |
   |------+-------+--------+------------------------------------|
   | LED4 | Green |  Off   |  Phantom not detected from remote  |
   |      |       |        | 354-ST. Fiber optic link is broken |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                TRUNK UNIT DIAGNOSTIC LED(S)                |
   |------------------------------------------------------------|
   | LED  | Color | Status |             Condition              |
   |------+-------+--------+------------------------------------|
   | LED1 | Green |   On   |      354-ST is in 4mbps mode       |
   |------+-------+--------+------------------------------------|
   | LED1 | Green |  Off   |   354-ST is in not in 4mbps mode   |
   |------+-------+--------+------------------------------------|
   | LED2 | Green |   On   |      354-ST is in 16mbps mode      |
   |------+-------+--------+------------------------------------|
   | LED2 | Green |  Off   |  354-ST is in not in 16mbps mode   |
   |------+-------+--------+------------------------------------|
   | LED3 | Green |   On   |  Phantom signal is being received  |
   |      |       |        |       from Synoptics module        |
   |------+-------+--------+------------------------------------|
   | LED3 | Green |  Off   |    Phantom signal is not being     |
   |      |       |        |   received from Synoptics module   |
   |------+-------+--------+------------------------------------|
   | LED4 | Green |   On   |    Phantom detected from remote    |
   |      |       |        |    354-ST or Synoptics module.     |
   |      |       |        |                                    |
   |      |       |        |      Fiber optic link is good      |
   |------+-------+--------+------------------------------------|
   | LED4 | Green |  Off   |  Phantom not detected from remote  |
   |      |       |        | 354-ST or Synoptics module. Fiber  |
   |      |       |        |        optic link is broken        |
   +------------------------------------------------------------+