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# DANPEX CORPORATION
AN-120 /AN-220, AN-120S/AN-120BT
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 8-bit ISA
Topology Star (AN-120)
Linear Bus (AN-220)
Wiring Type Shielded/Unshielded twisted pair
RG62A/U 93ohm coaxial
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| NODE ADDRESS |
|------------------------------------------------------------|
|Node |SW2/1 |SW2/2 |SW2/3 |SW2/4 |SW2/5 |SW2/6 |SW2/7 |SW2/8|
|-----+------+------+------+------+------+------+------+-----|
| 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 1=1, 2=2, 3=4, 4=8, 5=16, |
|6=32, 7=64, 8=128. Turn off the switches and add the values |
|of the off switches to obtain the correct node address. |
|(On=0, Off=1) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS & BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Base Address | Boot ROM |SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
|----------------+-------------+-----+-----+-----+-----+-----|
| |C0000 - C07FFh| C2000 - | On | On | On | On | On |
| | | C3FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |C0800 - C0FFFh| C2000 - | Off | On | On | On | On |
| | | C3FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |C1000 - C17FFh| C2000 - | On | Off | On | On | On |
| | | C3FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |C1800 - C1FFFh| C2000 - | Off | Off | On | On | On |
| | | C3FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |C4000 - C47FFh| C6000 - | On | On | Off | On | On |
| | | C7FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |C4800 - C4FFFh| C6000 - | Off | On | Off | On | On |
| | | C7FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |C5000 - C57FFh| C6000 - | On | Off | Off | On | On |
| | | C7FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |C5800 - C5FFFh| C6000 - | Off | Off | Off | On | On |
| | | C7FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |CC000 - CC7FFh| CE000 - | On | On | On | Off | On |
| | | CFFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |CC800 - CCFFFh| CE000 - | Off | On | On | Off | On |
| | | CFFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |CD000 - CD7FFh| CE000 - | On | Off | On | Off | On |
| | | CFFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |CD800 - CDFFFh| CE000 - | Off | Off | On | Off | On |
| | | CFFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
|»|D0000 - D07FFh| D2000 - | On | On | Off | Off | On |
| | | D3FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D0800 - D0FFFh| D2000 - | Off | On | Off | Off | On |
| | | D3FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D1000 - D17FFh| D2000 - | On | Off | Off | Off | On |
| | | D3FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D1800 - D1FFFh| D2000 - | Off | Off | Off | Off | On |
| | | D3FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D4000 - D47FFh| D6000 - | On | On | On | On | Off |
| | | D7FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D4800 - D4FFFh| D6000 - | Off | On | On | On | Off |
| | | D7FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D5000 - D57FFh| D6000 - | On | Off | On | On | Off |
| | | D7FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D5800 - D5FFFh| D6000 - | Off | Off | On | On | Off |
| | | D7FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D8000 - D87FFh| DA000 - | On | On | Off | On | Off |
| | | DBFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D8800 - D8FFFh| DA000 - | Off | On | Off | On | Off |
| | | DBFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D9000 - D97FFh| DA000 - | On | Off | Off | On | Off |
| | | DBFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |D9800 - D9FFFh| DA000 - | Off | Off | Off | On | Off |
| | | DBFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |DC000 - DC7FFh| DE000 - | On | On | On | Off | Off |
| | | DFFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |DC800 - DCFFFh| DE000 - | Off | On | On | Off | Off |
| | | DFFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |DD000 - DD7FFh| DE000 - | On | Off | On | Off | Off |
| | | DFFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |DD800 - DDFFFh| DE000 - | Off | Off | On | Off | Off |
| | | DFFFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |E0000 - E07FFh| E2000 - | On | On | Off | Off | Off |
| | | E2FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |E0800 - E0FFFh| E2000 - | Off | On | Off | Off | Off |
| | | E2FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |E1000 - E17FFh| E2000 - | On | Off | Off | Off | Off |
| | | E2FFFh | | | | | |
|-+--------------+-------------+-----+-----+-----+-----+-----|
| |E1800 - E1FFFh| E2000 - | Off | Off | Off | Off | Off |
| | | E2FFFh | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | SW1/6 | SW1/7 | SW1/8 |
|-------------------+-------------+-------------+------------|
| | 260-26Fh | On | On | On |
|---+---------------+-------------+-------------+------------|
| | 290-29Fh | Off | On | On |
|---+---------------+-------------+-------------+------------|
| » | 2E0-2EFh | On | Off | On |
|---+---------------+-------------+-------------+------------|
| | 2F0-2FFh | Off | Off | On |
|---+---------------+-------------+-------------+------------|
| | 300-30Fh | On | On | Off |
|---+---------------+-------------+-------------+------------|
| | 350-35Fh | Off | On | Off |
|---+---------------+-------------+-------------+------------|
| | 380-38Fh | On | Off | Off |
|---+---------------+-------------+-------------+------------|
| | 3E0-3EFh | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | SW1/9 |
|---------------------------------+--------------------------|
| » | Disabled | Off |
|---+-----------------------------+--------------------------|
| | Enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD TERMINATOR |
|------------------------------------------------------------|
| Setting | SW1/10 |
|---------------------------------------+--------------------|
| » | Disabled | Off |
|---------------+-----------------------+--------------------|
| | Enabled | On |
|------------------------------------------------------------|
| Note:If the card is the last in the line of network cards, |
| the onboard terminator may be enabled instead of using a |
| T-connector and an external terminator. This setting is |
| valid only with the AN-220. If using an AN-120, SW1/10 |
| must be off. (Star topologies do not require the use of |
| terminators) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESPONSE AND RECONFIGURATION TIMEOUTS |
|------------------------------------------------------------|
| Response | Idle | Reconfiguration | ET1 | ET2 |
| Time | Time | Time | | |
|--------------+---------+-----------------+--------+--------|
| » | 78µs | 86µs | 840ms | Open | Open |
|----+---------+---------+-----------------+--------+--------|
| | 285µs | 316µs | 1680ms | Closed | Open |
|----+---------+---------+-----------------+--------+--------|
| | 563µs | 624µs | 1680ms | Open | Closed |
|----+---------+---------+-----------------+--------+--------|
| | 1130µs | 1237µs | 1680ms | Closed | Closed |
|------------------------------------------------------------|
| Note:All NICs on the network must have this option set the |
| same. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP1A | JP1B | JP1C | JP1D | JP1E |
|---------+----------+---------+---------+---------+---------|
| » | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP2 | JP3 |
|----------------------------------+------------+------------|
| » | RG62A/U 93ohm coaxial | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed |
|---+------------------------------+------------+------------|
| | Shielded/Unshielded twisted | Pins 1 & 2 | Pins 1 & 2 |
| | pair | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Status | Condition |
|------+----------+------------------------------------------|
| LED1 | On | Card is receiving power and is operating |
| | | properly |
|------+----------+------------------------------------------|
| LED1 | Blinking | Data is being transmitted or received |
|------+----------+------------------------------------------|
| LED1 | Off | Card is not receiving power or is |
| | | defective |
+------------------------------------------------------------+