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 |

CONNECTIONS | |||
Function | Label | Function | Label |
IEEE 802.5 data connector (STP) | CN1 | Fiber optic connector (ST) - transmit | TX |
Fiber optic connector (ST) - receive | RX | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | Factory configured - do not alter | SW1/1 | Unidentified |
354-ST used as fiber optic lobe extender | SW1/2 | On | |
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 a 3502A Host Module) | SW1/4 | On | |
Eql off (354-ST is connected to a 3505 Host Module or Token Ring station) | SW1/4 | Off | |
Attached device is not a SynOptics concentrator | SW1/5 | On | |
Attached device is a SynOptics concentrator | SW1/5 | Off | |
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 |