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# KATRON TECHNOLOGIES, INC.
ARC-220
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 16-bit ISA
Topology Star
Linear bus
Wiring Type RG-62A/U 93ohm coaxial
Unshielded twisted pair
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| 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 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) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| External LED1 (See LED table for LED1 | JP1 |
| indications) | |
|-------------------------------------------------+----------|
| External LED2 (See LED table for LED2 | JP2 |
| indications) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP3 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP4A | JP4B | JP4C | JP4D | JP4E | JP4F | JP4G |
|------+-------+-------+-------+-------+-------+------+------|
|»|2/9 |Closed | Open | Open | Open | Open | Open | Open |
|-+----+-------+-------+-------+-------+-------+------+------|
| | 3 | Open |Closed | Open | Open | Open | Open | Open |
|-+----+-------+-------+-------+-------+-------+------+------|
| | 4 | Open | Open |Closed | Open | Open | Open | Open |
|-+----+-------+-------+-------+-------+-------+------+------|
| | 5 | Open | Open | Open |Closed | Open | Open | Open |
|-+----+-------+-------+-------+-------+-------+------+------|
| | 10 | Open | Open | Open | Open |Closed | Open | Open |
|-+----+-------+-------+-------+-------+-------+------+------|
| | 11 | Open | Open | Open |Closed | Open |Closed| Open |
|-+----+-------+-------+-------+-------+-------+------+------|
| | 12 | Open | Open | Open |Closed | Open | Open |Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP5A - JP5C |
|--------------------------------+---------------------------|
| Unshielded twisted pair | Pins 1 & 2 closed |
|--------------------------------+---------------------------|
| AUI transceiver via DB-15 port | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD TERMINATOR | |
|----------------------------------------------------| |
| Setting | JP6 | |
|-----------------------+----------------------------| |
| » | Disabled | Pins 1 & 2 closed | |
|---+-------------------+----------------------------| |
| | Enabled | Pins 2 & 3 closed | |
|---+--------------------------------------------------------|
| | Notes:If the card is on either end of a linear bus |
| | network segment, the onboard terminator can be instead |
| | of using an external terminator. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JP7F | JP7G | JP7H |
|--------------+-------------------+------------+------------|
| | 260-26Fh | Pins 2 & 3 closed | Pins 2 & 3 | Pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | 290-29Fh | Pins 1 & 2 closed | Pins 2 & 3 | Pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| » | 2E0-2EFh | Pins 2 & 3 closed | Pins 1 & 2 | Pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | 2F0-2FFh | Pins 1 & 2 closed | Pins 1 & 2 | Pins 2 & 3 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | 300-30Fh | Pins 2 & 3 closed | Pins 2 & 3 | Pins 1 & 2 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | 350-35Fh | Pins 1 & 2 closed | Pins 2 & 3 | Pins 1 & 2 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | 380-38Fh | Pins 2 & 3 closed | Pins 1 & 2 | Pins 1 & 2 |
| | | | closed | closed |
|---+----------+-------------------+------------+------------|
| | 3E0-3EFh | Pins 1 & 2 closed | Pins 1 & 2 | Pins 1 & 2 |
| | | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS & BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Base Address | Boot ROM |JP7A |JP7B |JP7C |JP7D |JP7E |
| | Address | | | | | |
|--------------+---------------+-----+-----+-----+-----+-----|
| |C0000-C07FFh| C2000-C3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 2&3 | 2&3 | 2&3 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |C0800-C0FFFh| C2000-C3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 2&3 | 2&3 | 2&3 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |C1000-C17FFh| C2000-C3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 1&2 | 2&3 | 2&3 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |C1800-C1FFFh| C2000-C3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 1&2 | 2&3 | 2&3 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |C4000-C47FFh| C6000-C7FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 2&3 | 1&2 | 2&3 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |C4800-C4FFFh| C6000-C7FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 2&3 | 1&2 | 2&3 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |C5000-C57FFh| C6000-C7FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 1&2 | 1&2 | 2&3 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |C5800-C5FFFh| C6000-C7FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 1&2 | 1&2 | 2&3 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |CC000-CC7FFh| CE000-CFFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 2&3 | 2&3 | 1&2 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |CC800-CCFFFh| CE000-CFFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 2&3 | 2&3 | 1&2 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |CD000-CD7FFh| CE000-CFFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 1&2 | 2&3 | 1&2 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |CD800-CDFFFh| CE000-CFFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 1&2 | 2&3 | 1&2 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
|»|D0000-D07FFh| D2000-D3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 2&3 | 1&2 | 1&2 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D0800-D0FFFh| D2000-D3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 2&3 | 1&2 | 1&2 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D1000-D17FFh| D2000-D3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 1&2 | 1&2 | 1&2 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D1800-D1FFFh| D2000-D3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 1&2 | 1&2 | 1&2 | 2&3 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D4000-D47FFh| D6000-D7FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 2&3 | 2&3 | 2&3 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D4800-D4FFFh| D6000-D7FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 2&3 | 2&3 | 2&3 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D5000-D57FFh| D6000-D7FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 1&2 | 2&3 | 2&3 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D5800 D5FFFh| D6000-D7FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 1&2 | 2&3 | 2&3 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D8000-D87FFh| DA000-DBFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 2&3 | 1&2 | 2&3 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D8800-D8FFFh| DA000-DBFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 2&3 | 1&2 | 2&3 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D9000-D97FFh| DA000-DBFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 1&2 | 1&2 | 2&3 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |D9800-D9FFFh| DA000-DBFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 1&2 | 1&2 | 2&3 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |DC000-DC7FFh| DE000-DFFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 2&3 | 2&3 | 1&2 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |DC800-DCFFFh| DE000-DFFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 2&3 | 2&3 | 1&2 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |DD000-DD7FFh| DE000-DFFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 1&2 | 2&3 | 1&2 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |DD800-DDFFFh| DE000-DFFFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 1&2 | 2&3 | 1&2 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |E0000-E07FFh| E2000-E3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 2&3 | 1&2 | 1&2 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |E0800-E0FFFh| E2000-E3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 2&3 | 1&2 | 1&2 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |E1000-E17FFh| E2000-E3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 2&3 | 1&2 | 1&2 | 1&2 | 1&2 |
|-+------------+---------------+-----+-----+-----+-----+-----|
| |E1800-E1FFFh| E2000-E3FFFh |Pins |Pins |Pins |Pins |Pins |
| | | | 1&2 | 1&2 | 1&2 | 1&2 | 1&2 |
|------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+--------+------------------------------------|
| LED1 | Green | On | Network connection is good |
|------+-------+--------+------------------------------------|
| LED1 | Green | Off | Network connection is broken |
|------+-------+--------+------------------------------------|
| LED2 | Red | On | Data is being transmitted or |
| | | | received. |
|------+-------+--------+------------------------------------|
| LED2 | Red | Off | Data is not being transmitted or |
| | | | received. |
+------------------------------------------------------------+