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# UNIDENTIFIED
ETHERMAC (NUBUS)
NIC Type: Ethernet
Transfer Rate: 10Mbps
Data Bus: 32-Bit NuBus (Apple)
Topology: Linear Bus
Star
Wiring Type AUI transceiver via DB-15 port
RG-58A/U 50ohm coaxial
Shielded/Unshielded twisted pair
Boot ROM Not Available
IMG IMG 1
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | J5 |
|----------------------------------+-------------------------|
| AUI transceiver via DB-15 port | All pins open |
|----------------------------------+-------------------------|
| RG-58A/U 50ohm coaxial | Pins 2 & 3 closed |
|----------------------------------+-------------------------|
| Shielded/Unshielded twisted pair | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 10BASE-T STATUS |
|------------------------------------------------------------|
| Setting | J6 |
|---------------------------------+--------------------------|
| 10BASE-T hub selected | Pins 2 & 3 closed |
|---------------------------------+--------------------------|
| Pre-10BASE-T hub selected | Pins 1 & 2 closed |
|------------------------------------------------------------|
| Note:J6 only applies when twisted pair cable is being |
| used. |
+------------------------------------------------------------+