(TXT) View Source
       
       # TIARA COMPUTER SYSTEMS, INC.
       
          LANCARD/A*PC TP
       
          NIC Type              ARCnet                                   
          Network Transfer Rate 2.5Mbps                                  
          Data Bus              8-bit ISA                                
          Topology              Ring/Daisy Chain/Star                    
          Wiring Type           Unshielded twisted pair                  
          Boot ROM              Available                                
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function        | Label |      Function      | Label |
          |-----------------------+-------+--------------------+-------|
          | Unshielded twisted    |  CN1  | Unshielded twisted |  CN2  |
          | pair port             |       | pair port          |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | Enhanced mode diagnostic disabled |  JP7  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Enhanced mode diagnostic enabled  |  JP7  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Terminator Resistor disabled      |  JP8  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Terminator Resistor enabled       |  JP8  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |      Address      |    SW1/1    |    SW1/2    |   SW1/3    |
          |-------------------+-------------+-------------+------------|
          |   |   260h-26Fh   |     Off     |     Off     |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   |   290h-29Fh   |     Off     |     Off     |     On     |
          |---+---------------+-------------+-------------+------------|
          |   |   2B0h-2BFh   |     Off     |     On      |     On     |
          |---+---------------+-------------+-------------+------------|
          | » |   2E0h-2EFh   |     Off     |     On      |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   |   300h-30Fh   |     On      |     Off     |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   |   350h-35Fh   |     On      |     Off     |     On     |
          |---+---------------+-------------+-------------+------------|
          |   |   380h-38Fh   |     On      |     On      |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   |   3E0h-3EFh   |     On      |     On      |     On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          | IRQ  |  JP1   |  JP2   |  JP3   |  JP4   |  JP5   |  JP6   |
          |------+--------+--------+--------+--------+--------+--------|
          |»| 2  | Closed |  Open  |  Open  |  Open  |  Open  |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 3  |  Open  | Closed |  Open  |  Open  |  Open  |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 4  |  Open  |  Open  | Closed |  Open  |  Open  |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 5  |  Open  |  Open  |  Open  | Closed |  Open  |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 6  |  Open  |  Open  |  Open  |  Open  | Closed |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 7  |  Open  |  Open  |  Open  |  Open  |  Open  | Closed |
          +------------------------------------------------------------+
       
           
       
          +------------------------------------------------------------+
          |                        NODE ADDRESS                        |
          |------------------------------------------------------------|
          |Node | SW2/1 |SW2/2 |SW2/3 |SW2/4 |SW2/5 |SW2/6 |SW2/7|SW2/8|
          |-----+-------+------+------+------+------+------+-----+-----|
          |  1  |  Off  | Off  | Off  | Off  | Off  | Off  | Off | On  |
          |-----+-------+------+------+------+------+------+-----+-----|
          |  2  |  Off  | Off  | Off  | Off  | Off  | Off  | On  | Off |
          |-----+-------+------+------+------+------+------+-----+-----|
          |  3  |  Off  | Off  | Off  | Off  | Off  | Off  | On  | On  |
          |-----+-------+------+------+------+------+------+-----+-----|
          |  4  |  Off  | Off  | Off  | Off  | Off  |  On  | Off | Off |
          |-----+-------+------+------+------+------+------+-----+-----|
          |  5  |  Off  | Off  | Off  | Off  | Off  |  On  | Off | On  |
          |-----+-------+------+------+------+------+------+-----+-----|
          | 251 |  On   |  On  |  On  |  On  |  On  | Off  | On  | On  |
          |-----+-------+------+------+------+------+------+-----+-----|
          | 252 |  On   |  On  |  On  |  On  |  On  |  On  | Off | Off |
          |-----+-------+------+------+------+------+------+-----+-----|
          | 253 |  On   |  On  |  On  |  On  |  On  |  On  | Off | On  |
          |-----+-------+------+------+------+------+------+-----+-----|
          | 254 |  On   |  On  |  On  |  On  |  On  |  On  | On  | Off |
          |-----+-------+------+------+------+------+------+-----+-----|
          | 255 |  On   |  On  |  On  |  On  |  On  |  On  | On  | On  |
          |------------------------------------------------------------|
          |     Note: A total of 255 node address settings are         |
          |     available. The switches are a binary representation of |
          |     the decimal node addresses. Switch 8 is the Least      |
          |     Significant Bit and switch 1 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 on the switches and add the values of the on      |
          |     switches to obtain the correct node address. (On=1,    |
          |     Off=0)                                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   ROM ADDRESS SELECTION                    |
          |------------------------------------------------------------|
          |      Address      |    SW1/4    |    SW1/5    |   SW1/6    |
          |-------------------+-------------+-------------+------------|
          |   | C0000h-C3FFFh |     Off     |     Off     |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   | C4000h-C7FFFh |     Off     |     Off     |     On     |
          |---+---------------+-------------+-------------+------------|
          |   | CC000h-CFFFFh |     Off     |     On      |     On     |
          |---+---------------+-------------+-------------+------------|
          | » | D0000h-D3FFFh |     On      |     Off     |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   | D4000h-D7FFFh |     On      |     Off     |     On     |
          |---+---------------+-------------+-------------+------------|
          |   | D8000h-DBFFFh |     On      |     On      |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   | DC000h-DFFFFh |     On      |     On      |     On     |
          |---+---------------+-------------+-------------+------------|
          |   | E0000h-E3FFFh |     Off     |     On      |    Off     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |     CABLE LENGTH AND RESPONSE/RECONFIGURATION TIMEOUTS     |
          |------------------------------------------------------------|
          |   Maximum   | Response  | Reconfiguration  | SW1/7 | SW1/8 |
          |   Length    |   Time    |       Time       |       |       |
          |-------------+-----------+------------------+-------+-------|
          | »  |  4.8   |  74.4µs   |      840ms       |  On   |  On   |
          |    | miles  |           |                  |       |       |
          |----+--------+-----------+------------------+-------+-------|
          |    |  21.0  |  283.4µs  |      1680ms      |  On   |  Off  |
          |    | miles  |           |                  |       |       |
          |----+--------+-----------+------------------+-------+-------|
          |    |  42.5  |  561.8µs  |      1680ms      |  Off  |  On   |
          |    | miles  |           |                  |       |       |
          |----+--------+-----------+------------------+-------+-------|
          |    |  85.6  | 1118.6µs  |      1680ms      |  Off  |  Off  |
          |    | miles  |           |                  |       |       |
          |------------------------------------------------------------|
          |      Note: Maximum length is the distance between the two  |
          |      farthest cards on the network. All cards on a segment |
          |      must have this option set the same.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |  LED  | Color  |  Status   |           Condition           |
          |-------+--------+-----------+-------------------------------|
          | LED1  |  Red   |    On     |    Data is being received     |
          |-------+--------+-----------+-------------------------------|
          | LED1  |  Red   | Blinking  |     Reconfiguring network     |
          |-------+--------+-----------+-------------------------------|
          | LED1  |  Red   |    Off    |  Data is not being received   |
          |-------+--------+-----------+-------------------------------|
          | LED2  | Green  |    On     |   Data is being transmitted   |
          |-------+--------+-----------+-------------------------------|
          | LED2  | Green  | Blinking  |     Reconfiguring network     |
          |-------+--------+-----------+-------------------------------|
          | LED2  | Green  |    Off    | Data is not being transmitted |
          |------------------------------------------------------------|
          | Note: If blinking persists it indicates a network problem. |
          +------------------------------------------------------------+
       
          +----------------------------------------------------------+
          |                      TECHNICAL NOTE                      |
          |----------------------------------------------------------|
          | Note: The last node of the chain needs to be terminated. |
          +----------------------------------------------------------+