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# IMC NETWORKS CORPORATION
BNC MAU
Card Type Ethernet transceiver
Network Transfer Rate 10Mbps
Data Bus AUI via DB-15 connector
Topology Linear Bus
Wire Type RG-58A/U 50ohm coaxial
RG-59B/U 75ohm coaxial
RG-62A/U 93ohm coaxial
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| AUI via DB-15 | CN1 | Coaxial cable | CN2 |
| connector | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| » | SQE heartbeat enabled | SW2 | On |
|---+------------------------------------+-------+-----------|
| | SQE heartbeat disabled | SW2 | Off |
|---+------------------------------------+-------+-----------|
| » | Termination disabled | SW3 | Off |
|---+------------------------------------+-------+-----------|
| | Termination enabled | SW3 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE SELECTION |
|------------------------------------------------------------|
| Setting | SW1 |
|-------------------------------+----------------------------|
| RG-58A/U 50ohm coaxial | Position 1 |
|-------------------------------+----------------------------|
| RG-59B/U 75ohm coaxial | Position 2 |
|-------------------------------+----------------------------|
| RG-62A/U 93ohm coaxial | Position 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|---------+----------+----------+----------------------------|
| TERM | Green | On | Termination enabled |
|---------+----------+----------+----------------------------|
| TERM | Green | Off | Termination disabled |
|---------+----------+----------+----------------------------|
| 93O | Green | On | 93ohm cable selected |
|---------+----------+----------+----------------------------|
| 93O | Green | Off | 93ohm cable not selected |
|---------+----------+----------+----------------------------|
| 75O | Green | On | 75ohm cable selected |
|---------+----------+----------+----------------------------|
| 75O | Green | Off | 75ohm cable not selected |
|---------+----------+----------+----------------------------|
| 50O | Green | On | 50ohm cable selected |
|---------+----------+----------+----------------------------|
| 50O | Green | Off | 50ohm cable not selected |
|---------+----------+----------+----------------------------|
| SQE | Yellow | On | SQE heartbeat enabled |
|---------+----------+----------+----------------------------|
| SQE | Yellow | Off | SQE heartbeat disabled |
|---------+----------+----------+----------------------------|
| PWR | Green | On | Power is on |
|---------+----------+----------+----------------------------|
| PWR | Green | Off | Power is off |
+------------------------------------------------------------+