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# NATIONAL SEMICONDUCTOR CORPORATION
NE2000PLUS-CTA
NIC Type Ethernet
Network Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear Bus, Star
Wiring Type Unshielded twisted pair
AUI transceiver via DB-15 port
RG-58A/U 50ohm coaxial
Boot ROM Available
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------------+-------+----------------+-------|
| Unshielded twisted pair | CN1 | RG-58A/U 50ohm | CN3 |
| port | | coaxial port | |
|---------------------------+-------+----------------+-------|
| AUI transceiver via DB-15 | CN2 | | |
| port | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Status | Condition |
|--------+----------+----------------------------------------|
| LED1 | On | Polarity is good on 10Base-T |
|--------+----------+----------------------------------------|
| LED1 | Off | Polarity is broken on 10Base-T |
|--------+----------+----------------------------------------|
| LED2 | On | 10Base-T network connection is good |
|--------+----------+----------------------------------------|
| LED2 | Off | 10Base-T network connection is broken |
|------------------------------------------------------------|
| Note: The locations of LED1 and LED2 is unidentified. |
+------------------------------------------------------------+