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# NBASE COMMUNICATIONS
NX 300FO
Card Type Ethernet Transceiver
NIC Type Ethernet
Maximum Onboard Unidentified
Memory
Boot ROM Not available
Network Transfer 20Mbps
Rate
Topology Star
Wiring Type AUI transceiver via DB-15 port, Fiber optic
cable
Data Bus External
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------------+-------+---------------+-------|
| Fiber ST transmit | CN1 | AUI connector | CN3 |
| connector | | | |
|----------------------------+-------+---------------+-------|
| Fiber ST receive connector | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| Half duplex mode enabled | SW1 | On |
|----------------------------------------+-------+-----------|
| Full duplex mode enabled | SW1 | Off |
|----------------------------------------+-------+-----------|
| SQE disabled | SW2 | On |
|----------------------------------------+-------+-----------|
| SQE enabled | SW2 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+----------+----------------------------------|
| LED1 | Green | On | Unit is receiving power |
|------+-------+----------+----------------------------------|
| LED1 | Green | Off | Unit is not receiving power |
|------+-------+----------+----------------------------------|
| LED2 | Red | Blinking | Data is being received |
|------+-------+----------+----------------------------------|
| LED2 | Red | Off | Data is not being received |
|------+-------+----------+----------------------------------|
| LED3 | Red | Blinking | Data is being transmitted |
|------+-------+----------+----------------------------------|
| LED3 | Red | Off | Data is not being transmitted |
|------+-------+----------+----------------------------------|
| LED4 | Red | On | Network connection is good |
|------+-------+----------+----------------------------------|
| LED4 | Red | Off | Network connection is broken |
|------+-------+----------+----------------------------------|
| LED5 | Red | On | Collision detected on network |
|------+-------+----------+----------------------------------|
| LED5 | Red | Off | No collision detected on network |
|------+-------+----------+----------------------------------|
| LED6 | Red | On | Jabber detected |
|------+-------+----------+----------------------------------|
| LED6 | Red | Off | No jabber detected |
+------------------------------------------------------------+