
COMPEX, INC.

ARC-ARRAY (Rev. D1)

NIC Type      ARCnet
Transfer Rate 2.5Mbps
Data Bus      16-bit ISA
Topology      Star

              Linear Bus
Wiring Type   RG-62A/U 93ohm coaxial
Boot ROM      Available

[Image]

                               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)

                           ARC-ARRAY TYPE SELECT

                      First Card         Second Card

       Type             JP1A-E             JP2A-E         JP1A-E   JP2A-E

  Half Arc-Array        Closed              Open           N/A      N/A

  Full Arc Array        Closed              Open          Open     Closed

       Note:When only one Arc-Array adapter is present, Half Arc-Array
       setting is used giving a maximum transmission rate of 10Mbps. When
       two Arc-Array adapters are present, connected together via CN1 on
       both adapters, Full Arc-Array setting is used giving a maximum
       transmission rate of 20Mbps.

                                    INTERRUPT REQUEST

   IRQ     JP3/1    JP3/2    JP3/3    JP3/4    JP3/5    JP4/1    JP4/2    JP4/3   JP4/4

     2/9  Closed    Open     Open     Open    Open     Open     Open     Open     Open

      3     Open    Closed    Open     Open    Open     Open     Open     Open     Open

      4     Open     Open    Closed    Open    Open     Open     Open     Open     Open

      5     Open     Open     Open    Closed   Open     Open     Open     Open     Open

      7     Open     Open     Open     Open    Closed   Open     Open     Open     Open

      10    Open     Open     Open     Open    Open     Closed   Open     Open     Open

      11    Open     Open     Open     Open    Open     Open     Closed   Open     Open

      12    Open     Open     Open     Open    Open     Open     Open     Closed   Open

      15    Open     Open     Open     Open    Open     Open     Open     Open    Closed

                       BASE MEMORY ADDRESS

  Address     JP5/1      JP5/2      JP5/3      JP5/4     JP5/5

  C0000h     Closed     Closed     Closed     Closed     Closed

  C4000h     Closed     Closed      Open      Closed     Closed

  CC000h     Closed     Closed     Closed      Open      Closed

  D0000h     Closed     Closed      Open       Open      Closed

  D4000h     Closed     Closed     Closed     Closed      Open

  D8000h     Closed     Closed      Open      Closed      Open

  DC000h     Closed     Closed     Closed      Open       Open

  E0000h     Closed     Closed      Open       Open       Open

                             I/O BASE ADDRESS

       Address             JP6/1             JP6/2             JP6/3

           260h            Closed            Closed            Closed

           290h             Open             Closed            Closed

          2E0h            Closed             Open             Closed

           2F0h             Open              Open             Closed

           300h            Closed            Closed             Open

           350h             Open             Closed             Open

           380h            Closed             Open              Open

           3E0h             Open              Open              Open

                                WAIT STATE

                Setting                                JP7/1

               1 Wait state                           Open

                0 Wait state                          Closed

                           TIMEOUT CONFIGURATION

        Response Time                 JP7/2                  JP7/3

             74.7s                   Open                  Open

             283.4s                   Open                 Closed

              561.8s                 Closed                 Open

             1118.6s                 Closed                Closed

  Note:Timeout is the time required for the network signal to make a
  complete trip around the network. Using a
  longer than necessary timeout will result in network degradation

                          TOPOLOGY CONFIGURATION

              Topology                        JP8/Jumpers 1 - 4

                Star                                Closed

             Linear Bus                              Open

  Note: JP8/Jumpers 1, 2, 3, and 4 set Channels 1, 2, 3, and 4
  respectively. Each channel may be individually configured for Star or
  Bus topology, e.g. closing only JP8/2 sets channel 2 for Star topology
  and channels ;1,3, and 4 for Bus topology

[Image]                  [Image]
Verision 1 (Shown Above)         Version 2

                                   LEDS

    LED          Color         Status                Condition

     1            Red            On         Data is being transmitted on
                                                        CON1

     1            Red           Off         Data is not being transmitted
                                                      on CON1

     2           Green           On        Data is being received on CON1

     2           Green          Off         Data is not being received on
                                                        CON1

     3            Red            On         Data is being transmitted on
                                                        CON2

     3            Red           Off         Data is not being transmitted
                                                      on CON2

     4           Green           On        Data is being received on CON2

     4           Green          Off         Data is not being received on
                                                        CON2

     5            Red            On         Data is being transmitted on
                                                        CON3

     5            Red           Off         Data is not being transmitted
                                                      on CON3

     6           Green           On        Data is being received on CON3

     6           Green          Off         Data is not being received on
                                                        CON3

     7            Red            On         Data is being transmitted on
                                                        CON4

     7            Red           Off         Data is not being transmitted
                                                      on CON4

     8           Green           On        Data is being received on CON4

     8           Green          Off         Data is not being received on
                                                        CON4

