CNET TECHNOLOGY, INC.
=====================

   CN160ST REV.2.31/CN160BT REV.2.31

   NIC Type              Arcnet                                   
   Network Transfer Rate 2.5Mbps                                  
   Data Bus              16-bit ISA                               
   Topology              Linear Bus/Star                          
   Wiring Type           Unshielded twisted pair                  
                                                                  
                         RG-58A/U 50ohm coaxial                   
   Boot ROM              Available                                

<gopher://bitreich.org/I/th99/n/C-D/41550-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |         Function          | Label |    Function    | Label |
   |---------------------------+-------+----------------+-------|
   | Unshielded twisted pair   |  CN1  | RG-58A/U 50ohm |  CN3  |
   | port                      |       | coaxial port   |       |
   |---------------------------+-------+----------------+-------|
   | Unshielded twisted pair   |  CN2  |                |       |
   | port                      |       |                |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            | Label |     Position      |
   |--------------------------------+-------+-------------------|
   | Boot ROM enabled               | JP11  | Pins 1 & 2 closed |
   |--------------------------------+-------+-------------------|
   | Boot ROM disabled              | JP11  | Pins 2 & 3 closed |
   |--------------------------------+-------+-------------------|
   | Internal terminator enabled    | JP13  | Pins 1 & 2 closed |
   |--------------------------------+-------+-------------------|
   | Internal terminator disabled   | JP13  | Pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |      Address      |    SW1/1    |    SW1/2    |   SW1/3    |
   |-------------------+-------------+-------------+------------|
   |   |   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     |
   +------------------------------------------------------------+

+--------------------------------------------------------------------------+
|                           INTERRUPT SELECTION                            |
|--------------------------------------------------------------------------|
|IRQ | JP1  | JP2  | JP3  | JP4  | JP5  | JP6  | JP7  | JP8  | JP9  | JP10 |
|----+------+------+------+------+------+------+------+------+------+------|
|>>|2 |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |3 | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |4 | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |5 | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |10| Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |11| Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |12| Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------|
| |14| Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+--+------+------+------+------+------+------+------+------+------+------|
| |15| Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
+--------------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CABLE TYPE SELECTION                    |
   |------------------------------------------------------------|
   |        Type        |      JP12/A       |      JP12/B       |
   |--------------------+-------------------+-------------------|
   | RG-58A/U 50ohm     | Pins 2 & 3 closed | Pins 2 & 3 closed |
   | coaxial            |                   |                   |
   |--------------------+-------------------+-------------------|
   | Unshielded twisted | Pins 1 & 2 closed | Pins 1 & 2 closed |
   | pair               |                   |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   ROM ADDRESS SELECTION                    |
   |------------------------------------------------------------|
   |      Address      | SW1/4  | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
   |-------------------+--------+-------+-------+-------+-------|
   |   | C0000h-C07FFh |   On   |  On   |  On   |  On   |  On   |
   |---+---------------+--------+-------+-------+-------+-------|
   |   | C4000h-C47FFh |   On   |  On   |  Off  |  On   |  On   |
   |---+---------------+--------+-------+-------+-------+-------|
   |   | CC000h-CC7FFh |   On   |  On   |  On   |  Off  |  On   |
   |---+---------------+--------+-------+-------+-------+-------|
   |>> | D0000h-D07FFh |   On   |  On   |  Off  |  Off  |  On   |
   |---+---------------+--------+-------+-------+-------+-------|
   |   | D4000h-D47FFh |   On   |  On   |  On   |  On   |  Off  |
   |---+---------------+--------+-------+-------+-------+-------|
   |   | C8000h-C87FFh |   On   |  On   |  Off  |  On   |  Off  |
   |---+---------------+--------+-------+-------+-------+-------|
   |   | DC000h-DC7FFh |   On   |  On   |  On   |  Off  |  Off  |
   |---+---------------+--------+-------+-------+-------+-------|
   |   | E0000h-E07FFh |   On   |  On   |  Off  |  Off  |  Off  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |  LED   |  Color  | Status  |           Condition           |
   |--------+---------+---------+-------------------------------|
   |  LED1  |  Green  |   On    |  Network connection is good   |
   |--------+---------+---------+-------------------------------|
   |  LED1  |  Green  |   Off   | Network connection is broken  |
   |--------+---------+---------+-------------------------------|
   |  LED2  | Yellow  |   On    |   Data is being transmitted   |
   |--------+---------+---------+-------------------------------|
   |  LED2  | Yellow  |   Off   | Data is not being transmitted |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |      Note: The purpose of SW2 is to set the station        |
   |      address. SW8 stands for the least significant bit and |
   |      SW1 stands for the most significant bit. Never use    |
   |      the on position for any network station ID.           |
   +------------------------------------------------------------+