
ADDTRON TECHNOLOGY COMPANY, LTD.

ARC-220 VER. 1

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

              Linear bus
Wiring Type   RG-62A/U 93ohm coaxial

              Unshielded twisted pair
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)

                                 BOOT ROM

                  Mode                                  JP1

                  Disabled                             Open

                   Enabled                             Closed

                            ONBOARD TERMINATOR

                 Setting                                JP3

                  Disabled                             Open

                   Enabled                             Closed

  Note:If the card is on either end of a linear bus network segment, the
  onboard terminator may be used instead of using an external terminator

                                CABLE TYPE

           Type                 JP4            JP5             JP6

  Unshielded twisted pair      Closed         Open          Pins 1 & 2
                                                              closed

  RG-62A/U 93ohm coaxial        Open         Closed         Pins 2 & 3
                                                              closed

                                CONNECTIONS

               Purpose                              Location

  Connection for LED1                         JP7/pins 1 & 2 closed

  Connection for LED2                         JP7/pins 3 & 4 closed

  Note: When no LEDs are being installed for the front panel, JP7 pins 1
  & 2 and pins 3 & 4 should be closed.

                             INTERRUPT REQUEST

   IRQ       JP8      JP9      JP10     JP11     JP12     JP13     JP14

     2/9   Closed    Open     Open     Open     Open     Open     Open

      3     Open     Closed    Open     Open     Open     Open     Open

      4     Open      Open    Closed    Open     Open     Open     Open

      5     Open      Open     Open    Closed    Open     Open     Open

      10    Open      Open     Open     Open    Closed    Open     Open

      11    Open      Open     Open     Open     Open     Closed   Open

      12    Open      Open     Open     Open     Open     Open     Closed

                             DIAGNOSTIC LED(S)

    LED       Color        Status                  Condition

   LED1       Green          On                   Data is being
                                             transmitted/received.

   LED1       Green         Off                 Data is not being
                                             transmitted/received.

   LED1       Green       Blinking        Network connection is broken

   LED2        Red           On        Card is being accessed by the host
                                                    computer

   LED2        Red          Off         Card is not being accessed by the
                                                 host computer

                   BASE MEMORY ADDRESS AND BOOR ROM ADDRESS

   Base Address       Boot ROM      JP15     JP16     JP17    JP18     JP19
                      Address

     D0000-D07FFh  D2000-D3FFFh   Closed   Closed   Closed   Open     Open

      C0000-C07FFh  C2000-C3FFFh   Closed   Closed   Closed   Closed   Closed

      C0800-C0FFFh  C2000-C3FFFh   Closed    Open    Closed   Closed   Closed

      C1000-C17FFh  C2000-C3FFFh   Closed   Closed    Open    Closed   Closed

      C1800-C1FFFh  C2000-C3FFFh   Closed    Open     Open    Closed   Closed

      C4000-C47FFh  C6000-C7FFFh   Closed   Closed   Closed   Open     Closed

      C4800-C4FFFh  C6000-C7FFFh   Closed    Open    Closed   Open     Closed

      C5000-C57FFh  C6000-C7FFFh   Closed   Closed    Open    Open     Closed

      C5800-C5FFFh  C6000-C7FFFh   Closed    Open     Open    Open     Closed

      CC000-CC7FFh  CE000-CFFFFh   Closed   Closed   Closed   Closed   Open

      CC800-CCFFFh  CE000-CFFFFh   Closed    Open    Closed   Closed   Open

      CD000-CD7FFh  CE000-CFFFFh   Closed   Closed    Open    Closed   Open

      CD800-CDFFFh  CE000-CFFFFh   Closed    Open     Open    Closed   Open

      D0800-D0FFFh  D2000-D3FFFh   Closed    Open    Closed   Open     Open

      D1000-D17FFh  D2000-D3FFFh   Closed   Closed    Open    Open     Open

      D1800-D1FFFh  D2000-D3FFFh   Closed    Open     Open    Open     Open

      D4000-D47FFh  D6000-D7FFFh    Open    Closed   Closed   Closed   Closed

      D4800-D4FFFh  D6000-D7FFFh    Open     Open    Closed   Closed   Closed

      D5000-D57FFh  D6000-D7FFFh    Open    Closed    Open    Closed   Closed

      D5800 D5FFFh  D6000-D7FFFh    Open     Open     Open    Closed   Closed

      D8000-D87FFh  DA000-DBFFFh    Open    Closed   Closed   Open     Closed

      D8800-D8FFFh  DA000-DBFFFh    Open     Open    Closed   Open     Closed

      D9000-D97FFh  DA000-DBFFFh    Open    Closed    Open    Open     Closed

      D9800-D9FFFh  DA000-DBFFFh    Open     Open     Open    Open     Closed

      DC000-DC7FFh  DE000-DFFFFh    Open    Closed   Closed   Closed   Open

      DC800-DCFFFh  DE000-DFFFFh    Open     Open    Closed   Closed   Open

      DD000-DD7FFh  DE000-DFFFFh    Open    Closed    Open    Closed   Open

      DD800-DDFFFh  DE000-DFFFFh    Open     Open     Open    Closed   Open

      E0000-E07FFh  E2000-E3FFFh    Open    Closed   Closed   Open     Open

      E0800-E0FFFh  E2000-E3FFFh    Open     Open    Closed   Open     Open

      E1000-E17FFh  E2000-E3FFFh    Open    Closed    Open    Open     Open

      E1800-E1FFFh  E2000-E3FFFh    Open     Open     Open    Open     Open

                             I/O BASE ADDRESS

         Address               JP20             JP21            JP22

          2E0-2EFh             On               Off             On

           260-26Fh             On               On              On

           290-29Fh             Off              On              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

