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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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 |
|-------------------------------------+-------+--------------|
| ยป | 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 |
+------------------------------------------------------------+