TIARA COMPUTER SYSTEMS, INC.
LanCard A-286/LanCard A-286 HiZ
NIC Type | ARCnet |
Transfer Rate | 2.5Mbps |
Data Bus | 8-bit ISA |
Topology | Star (A-286) Linear Bus (A-286 HiZ only) |
Wiring Type | RG-62A/U 93ohm coaxial (A-286 or A-286 HiZ) RG-58A/U 50ohm coaxial (A-286 HiZ only) |
Boot ROM | Available |
NODE ADDRESS | ||||||||
Node | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
0 | - | - | - | - | - | - | - | - |
1 | On | On | On | On | On | On | On | Off |
2 | On | On | On | On | On | On | Off | On |
3 | On | On | On | On | On | On | Off | Off |
4 | On | On | On | On | On | Off | On | On |
251 | Off | Off | Off | Off | Off | On | Off | Off |
252 | Off | Off | Off | Off | Off | Off | On | On |
253 | Off | Off | Off | Off | Off | Off | On | Off |
254 | Off | Off | Off | Off | Off | Off | Off | On |
255 | Off | Off | Off | Off | Off | Off | Off | Off |
Note:Node address 0 is used for messaging between nodes and must not be used. A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 8=1, 7=2, 6=4, 5=8, 4=16, 3=32, 2=64, 1=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, off=1) |
DIAGNOSTIC LED(S) | ||
LED | Status | Condition |
L1 | Off | Data is not being transmitted |
L1 | Blinking | Card is reconfiguring |
L1 | On | Card is operating normally on the network |
Note:If either of the first two conditions persists, a hardware failure exists. |
INTERRUPT REQUEST | ||||||
IRQ | JP1 | JP2 | JP3 | JP4 | JP5 | |
» | 2 | Closed | Open | Open | Open | Open |
| 3 | Open | Closed | Open | Open | Open |
| 4 | Open | Open | Closed | Open | Open |
| 5 | Open | Open | Open | Closed | Open |
| 7 | Open | Open | Open | Open | Closed |
I/O BASE ADDRESS | |||||||
Address | JP6 | JP7 | JP8 | JP9 | JP10 | JP11 | |
» | 2E0h | Open | Closed | Open | Open | Open | Closed |
| 280h | Open | Closed | Open | Closed | Closed | Closed |
| 2F0h | Open | Closed | Open | Open | Open | Open |
| 300h | Open | Open | Closed | Closed | Closed | Closed |
BOOT ROM ADDRESS | ||||||
Address | JP12 | JP13 | JP14 | JP15 | JP16 | |
» | D0OOh | Open | Open | Closed | Open | Closed |
| C0OOh | Open | Open | Closed | Closed | Closed |
| C8OOh | Open | Open | Closed | Closed | Open |
| D8OOh | Open | Open | Closed | Open | Open |
RESPONSE/RECONFIGURATION TIMEOUTS | |||||
Distance | Response Time | Reconfiguration | JP17 | JP18 | |
» | 4.8 miles | 74.7µs | 840ms | Open | Open |
| 21.0 miles | 263.4µs | 1680ms | Closed | Open |
| 42.5 miles | 561.8µs | 1680ms | Open | Closed |
| 85.6 miles | 1118.6µs | 1680ms | Closed | Closed |
Note:The distance given is the maximum distance between the two furthest nodes on the network. |