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# CABLETRON SYSTEMS, INC.
E5020 (COAX/AUI)
Card Type Network Interface Card
NIC Type Ethernet
Maximum Onboard Unidentified
Memory
Boot ROM Not available
Network Transfer 10Mbps
Rate
Topology Linear Bus
Wiring Type RG-58A/U 50ohm coaxial, AUI transceiver via
DB-15
Data Bus None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------------+-------+---------------+-------|
| 24 wire ribbon connector | CN1 | BNC connector | CN3 |
| to control board | | | |
|----------------------------+-------+---------------+-------|
| AUI connector | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| | SQE enabled | SW1 | On |
|---+------------------------------------+-------+-----------|
| ยป | SQE disabled | SW1 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE SELECTION |
|------------------------------------------------------------|
| Type | SW2 |
|--------------------------------+---------------------------|
| AUI transceiver via DB-15 port | Off |
|--------------------------------+---------------------------|
| RG-58A/U 50ohm coaxial | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------+--------+-----------------------------------|
| LED1 | Yellow | On | Data is being received |
|------+--------+--------+-----------------------------------|
| LED1 | Yellow | Off | Data is not being received |
|------+--------+--------+-----------------------------------|
| LED2 | Green | On | Power is on |
|------+--------+--------+-----------------------------------|
| LED2 | Green | Off | Power is off |
|------+--------+--------+-----------------------------------|
| LED3 | Green | On | Data is being transmitted |
|------+--------+--------+-----------------------------------|
| LED3 | Green | Off | Data is not being transmitted |
|------+--------+--------+-----------------------------------|
| LED4 | Red | On | Collision detected on network |
|------+--------+--------+-----------------------------------|
| LED4 | Red | Off | No collision detected on network |
+------------------------------------------------------------+