
COMPEX, INC.

ANET16-1A (REV. B)

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

              Linear Bus
Wiring Type   Unshielded twisted pair

              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)

                                    INTERRUPT REQUEST

   IRQ      JP1A     JP1B     JP1C     JP1D    JP1E     JP1F     JP1G     JP1H     JP1I

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

      3     Open     Open     Open     Open    Open     Closed   Open     Open     Open

      4     Open     Open     Open     Open    Open     Open     Closed   Open     Open

      5     Open     Open     Open     Open    Open     Open     Open     Closed   Open

      7     Open     Open     Open     Open    Open     Open     Open     Open    Closed

      10    Open     Open     Open    Closed   Open     Open     Open     Open     Open

      11    Open     Open    Closed    Open    Open     Open     Open     Open     Open

      12    Open    Closed    Open     Open    Open     Open     Open     Open     Open

      15   Closed    Open     Open     Open    Open     Open     Open     Open     Open

                             I/O BASE ADDRESS

       Address             JP2A              JP2B              JP2C

          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

                             BOOT ROM ADDRESS

     Address        JP3A        JP3B       JP3C        JP3D       JP3E

      C0000h 1     Closed      Closed     Closed      Closed     Closed

      C4000h 1     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

      Note 1 :These options can be supported by XT or fully XT-compatible
      PCs only.

                                WAIT STATE

                 Setting                                JP4

         Zero wait states disabled                     Open

           Zero wait states enabled                    Closed

  Note:If Zero wait state is enabled, IOCHRDY (JP5) must be disabled.

                             I/O CHANNEL READY

                 Setting                                JP5

          IOCHRDY signal disabled                      Open

            IOCHRDY signal enabled                     Closed

       Note:If IOCHRDY signal is enabled, Zero wait state (JP4) must be
       disabled. If optional PROM is installed, IOCHRDY must be enabled
       and Zero wait state (JP4) must be disabled.

                                CABLE TYPE

                  Type                               JP7 & JP8

           RG62A/U 93ohm coaxial                Pins 1 & 2 Closed

           Unshielded twisted pair               Pins 2 & 3 Closed

                          TOPOLOGY CONFIGURATION

                  Mode                                 JP9

                   Star                              Closed

                 Linear Bus                            Open

                            DIAGNOSTIC LED(S)S

    LED        Color        Status                  Condition

    LED1        Red           On           Network connection is good

    LED1        Red        Blinking      Network connection is bad or no
                                             other nodes are active

    LED2       Green          On           Data is being transmitted or
                                                    received

    LED2       Green          Off        Data is not being transmitted or
                                                    received

    LED2       Green       Blinking        System is being powered up

