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# THOMAS-CONRAD CORPORATION
TC6245-AIO(ALL IN ONE MEDIA)
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 16-bit ISA
Topology linear bus
Star
Wiring Type RG-62U 93ohm coaxial
Shielded twisted pair
Unshielded twisted pair
AUI transceiver via DB-15 port
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) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESPONSE AND RECONFIGURATION TIMEOUT ||
|-----------------------------------------------------------||
| Network Cable | JP12 | JP13 |ResponseTime|Reconfiguration||
| Length | | | ( m | Time (mS) ||
|---------------+-------+------+------------+---------------||
|»| Less than | Open | Open | 74.7 | 840 ||
| | 20,000 feet | | | | ||
|-+-------------+-------+------+------------+---------------||
| | more than |Closed |Closed| 1118.6 | 1680 ||
| | 20,000 feet | | | | ||
|-+----------------------------------------------------------|
| |Note : All NICs on the network must have these two jumpers|
| |set the same. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS |
|------------------------------------------------------------|
| Memory | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
| Address | | | | | | |
|------------+-------+-------+-------+-------+-------+-------|
| » | D000h | Off | Off | On | Off | On | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C000h | Off | Off | On | On | On | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C400h | Off | Off | On | On | On | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C800h | Off | Off | On | On | On | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | CC00h | Off | Off | On | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D400h | Off | Off | On | Off | On | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D800h | Off | Off | On | Off | Off | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | DC00h | Off | Off | On | Off | Off | Off |
+------------------------------------------------------------+
+---------------------------------------------------------------------------------+
| INTERRUPT REQUEST |
|---------------------------------------------------------------------------------|
|IRQ | JP15 | JP16 | JP17 | JP18 | JP19 | JP20 | JP21 | JP22 | JP23 | JP24 | JP25 |
|----+------+------+------+------+------+------+------+------+------+------+------|
|»|9 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |3 | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |4 | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |5 | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |6 | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |7 | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |10| Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |11| Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |12| Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |14|Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |15| Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
+---------------------------------------------------------------------------------+
+------------------------------------------------------------+
| WAIT STATE |
|------------------------------------------------------------|
| Setting | SW1/7 |
|-----------------------------------+------------------------|
| » | Zero wait states disabled | On |
|---+-------------------------------+------------------------|
| | Zero wait states enabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPATABILITY MODE |
|------------------------------------------------------------|
| Setting | SW1/8 |
|-------------------------------------------+----------------|
| » | Enhanced mode | On |
|------------+------------------------------+----------------|
| | Compatible mode | Off |
|------------------------------------------------------------|
| Note: Enhanced mode optimizes performance and minimizes |
| conflicts of your hardware, by using a Thomas-Conrad |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BLOCK DECODE |
|------------------------------------------------------------|
| Size | SW3/1 |
|---------------------------------------------+--------------|
| » | 16K memory block decode | Off |
|----------+----------------------------------+--------------|
| | 128K memory block decode | On |
|------------------------------------------------------------|
| Note:A 16-bit VGA adapter typically decodes base memory |
| in 128K blocks. If you are installing the NIC in a |
| system with such a card, you may need to set the NIC |
| block decode size to 128K. If you set the block decode |
| size to 128K then all other adapters in the system must |
| also utilize 128K decode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type |SW3/2|JP1 - | JP4 | JP5 | JP6 |JP14 |
| | | JP3 | | | | |
|---------------------+-----+------+------+------+-----+-----|
|»|RG-62A/U 93ohm | On |Pins 1|Pins 1|Pins 2|Pins |Pins |
| |coaxial | | & 2 | & 2 | & 3 |1 & 2|1 & 2|
|-+-------------------+-----+------+------+------+-----+-----|
| |AUI xceiver via | On |Pins 1|Pins 1|Pins 2|Pins |Pins |
| |DB-15 port | | & 2 | & 2 | & 3 |2 & 3|1 & 2|
|-+-------------------+-----+------+------+------+-----+-----|
| |Twisted pair+ | Off |Pins 2|Pins 2|Pins 1|Pins |Pins |
| | | | & 3 | & 3 | & 2 |1 & 2|2 & 3|
|-+-------------------+-----+------+------+------+-----+-----|
| |Shielded/Unshielded| On |Pins 1|Pins 2|Pins 1|Pins |Pins |
| |twisted pair | | & 2 | & 3 | & 2 |2 & 3|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | SW3/3 | SW3/4 | SW3/5 | SW3/6 | SW3/7 | SW3/8 |
|-----------+--------+-------+-------+-------+-------+-------|
| » | 2E0h | Off | On | Off | Off | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 2F0h | Off | On | Off | Off | Off | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 300h | Off | Off | On | On | On | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 310h | Off | Off | On | On | On | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 320h | Off | Off | On | On | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 330h | Off | Off | On | On | Off | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 340h | Off | Off | On | Off | On | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 350h | Off | Off | On | Off | On | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 360h | Off | Off | On | Off | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 370h | Off | Off | On | Off | Off | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 380h | Off | Off | Off | On | On | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 390h | Off | Off | Off | On | On | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3A0h | Off | Off | Off | On | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3B0h | Off | Off | Off | On | Off | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3C0h | Off | Off | Off | Off | On | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3D0h | Off | Off | Off | Off | On | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3E0h | Off | Off | Off | Off | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3F0h | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+----------+-----------------------------------|
| 1 | Red | On | Data is being transmitted or |
| | | | receiving |
|-----+-------+----------+-----------------------------------|
| 1 | Green | On | Card is not configured correctly |
|-----+-------+----------+-----------------------------------|
| 2 | Green | Blinking | Card is configured correctly and |
| | | | is connected to network |
|-----+-------+----------+-----------------------------------|
| 2 | N/A | Off | Card is defective or not |
| | | | connected to network |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS NOTES |
|------------------------------------------------------------|
| Note:On later card revisions, not all components are as |
| shown. |
+------------------------------------------------------------+