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# NETWORK INTERFACE TECHNOLOGY CORPORATION
ARCNET ADAPTER
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 8-bit ISA
Topology Star
Linear Bus
Wiring Type Unshielded twisted pair
RG58A/U 50ohm coaxial
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP2/A | JP2/B |
|-------------------------+-----------------+----------------|
| RG58A/U 50ohm coaxial | Open | Closed |
|-------------------------+-----------------+----------------|
| Unshielded twisted pair | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address Range | SW2/6 | SW2/7 | SW2/8 |
|---------------+--------------+--------------+--------------|
| 260h - 26Fh | On | On | On |
|---------------+--------------+--------------+--------------|
| 290h - 29Fh | Off | On | On |
|---------------+--------------+--------------+--------------|
| 2E0h - 2EFh | On | Off | On |
|---------------+--------------+--------------+--------------|
| 2F0h - 2FFh | Off | Off | On |
|---------------+--------------+--------------+--------------|
| 300h - 30Fh | On | On | Off |
|---------------+--------------+--------------+--------------|
| 350h - 35Fh | Off | On | Off |
|---------------+--------------+--------------+--------------|
| 380h - 38Fh | On | Off | Off |
|---------------+--------------+--------------+--------------|
| 3E0h - 3EFh | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| RAM | PROM | SW2/1 | SW2/2 | SW2/3 | SW2/4 | SW2/5 |
| Address | Address | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| C0000h - | C2000h | On | On | On | On | On |
| C07FFh | - | | | | | |
| | C3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| C0800h - | C2000h | Off | On | On | On | On |
| C0FFFh | - | | | | | |
| | C3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| C1000h - | C2000h | On | Off | On | On | On |
| C17FFh | - | | | | | |
| | C3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| C1800h - | C2000h | Off | Off | On | On | On |
| C1FFFh | - | | | | | |
| | C3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| C4000h - | C6000h | On | On | Off | On | On |
| C47FFh | - | | | | | |
| | C7FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| C4800h - | C6000h | Off | On | Off | On | On |
| C4FFFh | - | | | | | |
| | C7FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| C5000h - | C6000h | On | Off | Off | On | On |
| C57FFh | - | | | | | |
| | C7FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| C5800h - | C6000h | Off | Off | Off | On | On |
| C5FFFh | - | | | | | |
| | C7FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| CC000h - | CE000h | On | On | On | Off | On |
| CC7FFh | - | | | | | |
| | CFFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| CC800h - | CE000h | Off | On | On | Off | On |
| CCFFFh | - | | | | | |
| | CFFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| CD000h - | CE000h | On | Off | On | Off | On |
| CD7FFh | - | | | | | |
| | CFFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| CD800h - | CE000h | Off | Off | On | Off | On |
| CDFFFh | - | | | | | |
| | CFFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D0000h - | D2000h | On | On | Off | Off | On |
| D07FFh | - | | | | | |
| | D3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D0800h - | D2000h | Off | On | Off | Off | On |
| D0FFFh | - | | | | | |
| | D3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D1000h - | C2000h | On | Off | Off | Off | On |
| D17FFh | - | | | | | |
| | D3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D1800h - | D2000h | Off | Off | Off | Off | On |
| D1FFFh | - | | | | | |
| | D3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D4000h - | D6000h | On | On | On | On | Off |
| D46FFh | - | | | | | |
| | D7FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D4800h - | C6000h | Off | On | On | On | Off |
| D4FFFh | - | | | | | |
| | D7FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D5000h - | D6000h | On | Off | On | On | Off |
| D57FFh | - | | | | | |
| | D7FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D5800h - | D6000h | Off | Off | On | On | Off |
| D5FFFh | - | | | | | |
| | D7FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D8000h - | DA000h | On | On | Off | On | Off |
| D87FFh | - | | | | | |
| | DBFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D8800h - | DA000h | Off | On | Off | On | Off |
| D8FFFh | - | | | | | |
| | DBFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D9000h - | DA000h | On | Off | Off | On | Off |
| D97FFh | - | | | | | |
| | DBFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| D9800h - | DA000h | Off | Off | Off | On | Off |
| D9FFFh | - | | | | | |
| | DBFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| DC000h - | DE000h | On | On | On | Off | Off |
| DC7FFh | - | | | | | |
| | DFFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| DC800h - | DE000h | Off | On | On | Off | Off |
| DCFFFh | - | | | | | |
| | DFFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| DD000h - | DE000h | On | Off | On | Off | Off |
| DD7FFh | - | | | | | |
| | DFFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| DD800h - | DE000h | Off | Off | On | Off | Off |
| DDFFFh | - | | | | | |
| | DFFFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| E0000h - | E2000h | On | On | Off | Off | Off |
| E07FFh | - | | | | | |
| | E3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| E0800h - | E2000h | Off | On | Off | Off | Off |
| E0FFFh | - | | | | | |
| | E3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| E1000h - | E2000h | On | Off | Off | Off | Off |
| E17FFh | - | | | | | |
| | E3FFFh | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| E1800h - | E2000h | Off | Off | Off | Off | Off |
| E1FFFh | - | | | | | |
| | E3FFFh | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP1/D | JP1/E | JP1/F | JP1/G | JP1/H |
|--------+----------+----------+---------+---------+---------|
| IRQ2 | Closed | Open | Open | Open | Open |
|--------+----------+----------+---------+---------+---------|
| IRQ3 | Open | Closed | Open | Open | Open |
|--------+----------+----------+---------+---------+---------|
| IRQ4 | Open | Open | Closed | Open | Open |
|--------+----------+----------+---------+---------+---------|
| IRQ5 | Open | Open | Open | Closed | Open |
|--------+----------+----------+---------+---------+---------|
| IRQ7 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROM CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP1/A |
|-------------------------------+----------------------------|
| Boot ROM enabled | Closed |
|-------------------------------+----------------------------|
| Boot ROM disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESPONSE/RECONFIGURATION TIMEOUTS |
|------------------------------------------------------------|
| Response Time | IdleTime | Reconfig. | JP1/B | JP1/C |
| | | Time | | |
|---------------+----------+---------------+--------+--------|
| 78 m | 86 m | 840 m | Open | Open |
|---------------+----------+---------------+--------+--------|
| 258 m | 316 m | 1680 m | Open | Closed |
|---------------+----------+---------------+--------+--------|
| 563 m | 624 m | 1680 m | Closed | Open |
|---------------+----------+---------------+--------+--------|
| 1130 m | 1237 m | 1680 m | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NODE ADDRESS |
|------------------------------------------------------------|
|Node |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8|
|-----+------+------+------+------+------+------+------+-----|
| 0 | - | - | - | - | - | - | - | - |
|-----+------+------+------+------+------+------+------+-----|
| 1 | Off | On | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 2 | On | Off | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 3 | Off | Off | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 4 | On | On | Off | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 251 | Off | Off | On | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 252 | On | On | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 253 | Off | On | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 254 | On | Off | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 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=128, 7=64, 6=32, |
| 5=16, 4=8, 3=4, 2=2, 1=1. Turn Off the switches and add |
| the values of the Off switches to obtain the correct node |
| address. (On=0, Off=1) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TOPOLOGY |
|------------------------------------------------------------|
| Type | JP2/C |
|-------------------------------+----------------------------|
| Star | Closed |
|-------------------------------+----------------------------|
| Linear Bus | Open |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|----------+----------+----------+---------------------------|
| LED1 | Red | Solid or | Data transmission |
| | | Blinking | occurring |
|----------+----------+----------+---------------------------|
| LED2 | Green | Blinking | Reconfiguration |
|----------+----------+----------+---------------------------|
| LED2 | Green | On | Good connection made |
|----------+----------+----------+---------------------------|
| LED1 & | Red & | Off | Call Tech. Support |
| LED2 | Green | | |
+------------------------------------------------------------+