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# ACTINET SYSTEMS, INC.
ARCTALK NB
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 32-bit NuBus
Topology Star
Wiring Type RG62/U 93ohm coaxial
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| SEGMENT LENGTH AND RESPONSE/RECONFIGURATION TIMEOUTS |
|------------------------------------------------------------|
| Maximum | Response | Reconfig. | ET1 | ET2 |
| Length | Time | Time | | |
|---------+-----------+-----------+---------------+----------|
| 22,000 | 74.7µs | 840ms | Pins 1 & 2 | Pins 1 & |
| feet | | | closed | 2 closed |
|---------+-----------+-----------+---------------+----------|
| 96,000 | 283.4µs | 1680ms | Pins 2 & 3 | Pins 1 & |
| feet | | | closed | 2 closed |
|---------+-----------+-----------+---------------+----------|
| 195,000 | 561.8µs | 1680ms | Pins 1 & 2 | Pins 2 & |
| feet | | | closed | 3 closed |
|---------+-----------+-----------+---------------+----------|
| 393,000 | 1118.6µs | 1680ms | Pins 2 & 3 | Pins 2 & |
| feet | | | closed | 3 closed |
|------------------------------------------------------------|
| Note: All NICs on the network segment must have this |
| option set the same. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|--------+--------+-----------+------------------------------|
| LED1 | Green | On | Normal operation |
|--------+--------+-----------+------------------------------|
| LED1 | Green | Blinking | There is a break in the |
| | | | network (not necessarily at |
| | | | this card) |
|--------+--------+-----------+------------------------------|
| LED1 | Green | Off | Fault detected |
|------------------------------------------------------------|
| Note: If a fault is detected, it can be any one or a |
| combination of the following: Card is not attached to an |
| active network, the card is not selected in the control |
| panel, AppleTalk is not enabled in the Chooser, the hybrid |
| transceiver on the card may be defective, there are no |
| active stations on the network, the Mac's -12VDC power |
| supply is malfunctioning, the hub is defective, or there |
| is a break in the network cable. |
+------------------------------------------------------------+