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       # ALLEN-BRADLEY
       
          VISTALAN/PC MODELS 7310, 7320 (REV. A)
       
          NIC Type              VistaLAN (proprietary)                   
          Network Transfer Rate Unidentified                             
          Data Bus              8-bit ISA                                
          Topology              Linear Bus                               
          Wire Type             RG-6A/U 75ohm coaxial                    
          Boot ROM              Available                                
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |            Function             |          Label           |
          |---------------------------------+--------------------------|
          | RG-6A/U 75ohm coaxial connector |           CN1            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Setting                 | Label | Position  |
          |----------------------------------------+-------+-----------|
          | IRQ2 enabled                           |  E1   |  Closed   |
          |----------------------------------------+-------+-----------|
          | IRQ2 disabled                          |  E1   |   Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        NODE ADDRESS                        |
          |------------------------------------------------------------|
          |Setting|SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6|SW1/7|SW1/8|
          |-------+------+------+------+------+------+-----+-----+-----|
          |   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  |
          |-------+------+------+------+------+------+-----+-----+-----|
          |   5   | Off  |  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: A total of 255 node address settings are         |
          |     available. The switches are a binary representation of |
          |     the decimal node addresses. SW1/8 is the Most          |
          |     Significant Bit and switch SW1/1 is the Least          |
          |     Significant Bit. The switches have the following       |
          |     decimal values: SW1/8=128, SW1/7=64, SW1/6=32,         |
          |     SW1/5=16, SW1/4=8, SW1/3=4, SW1/2=2, SW1/1=1. Turn off |
          |     the switches and add the values of the switches that   |
          |     are off to obtain the correct node ID. (Off=1, On=0)   |
          |                                                            |
          |     Node address 0 is reserved and should not be used.     |
          +------------------------------------------------------------+