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# 3COM CORPORATION
ETHERLINK III (3C509B-TPC)
Card Type Network Interface Card
NIC Type Ethernet
Boot ROM Not available
Network Transfer Rate 10/100 Mbps
Topology Star, linear bus
Wiring Type RJ-45 Unshielded twisted pair
RG-58A/U 50ohm coaxial
Data Bus 16-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|--------------------+---------+-------------------+---------|
| RJ45 connector | CN1 | BNC connector | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------------+----------+---------------------------|
| LED1 | Unidentified | On | Network connection is |
| | | | good |
|------+--------------+----------+---------------------------|
| LED1 | Unidentified | Blinking | Polarity reversed |
|------+--------------+----------+---------------------------|
| LED1 | Unidentified | Off | Network connection is |
| | | | broken |
+------------------------------------------------------------+