
COMPEX, INC.

ANET-16-1A(REVISION C2)

NIC Type      ARCnet
Transfer Rate 2.5-Mbps
Data Bus      16-bit ISA
Topology      Linear bus, Star
Wiring Type   RG-58A/U 50ohm coaxial

              Unshielded twisted pair
Boot ROM      Available

[Image]

                 BASE MEMORY ADDRESS SELECT

  Address      J2/A      J2/B     J2/C      J2/D      J2/E

   C0000h     Closed    Closed   Closed    Closed    Closed

   C4000h     Closed    Closed    Open     Closed    Closed

   CC000h     Closed     Open    Closed    Closed    Closed

   D0000h     Closed     Open     Open     Closed    Closed

   D4000h      Open     Closed   Closed    Closed    Closed

   D8000h      Open     Closed    Open     Closed    Closed

   DC000h      Open      Open    Closed    Closed    Closed

   E0000h      Open      Open     Open     Closed    Closed

                                 BOOT ROM

                 Setting                                J1/C

                  Disabled                             Open

                   Enabled                             Closed

                                CABLE TYPE

                Type                         J5                 J6

         RG-58A/U 50ohm coaxial          Pins 1 & 2         Pins 1 & 2
                                           closed             closed

         Unshielded twisted pair          Pins 2 & 3         Pins 2 & 3
                                           closed             closed

                                      INTERRUPT SELECT

    IRQ       J4/A     J4/B     J4/C     J4/D    J4/E     J4/F     J4/G     J4/H     J4/I

     IRQ2   Closed    Open     Open     Open    Open     Open     Open     Open     Open

      IRQ3    Open    Closed    Open     Open    Open     Open     Open     Open     Open

      IRQ4    Open     Open    Closed    Open    Open     Open     Open     Open     Open

      IRQ5    Open     Open     Open    Closed   Open     Open     Open     Open     Open

      IRQ7    Open     Open     Open     Open    Closed   Open     Open     Open     Open

      IRQ10   Open     Open     Open     Open    Open     Open     Open     Open    Closed

      IRQ11   Open     Open     Open     Open    Open     Open     Open     Closed   Open

      IRQ12   Open     Open     Open     Open    Open     Open     Closed   Open     Open

      IRQ15   Open     Open     Open     Open    Open     Closed   Open     Open     Open

            I/O ADDRESS SELECT

  Address     J3/A       J3/B      J3/C

   260h      Closed     Closed    Closed

   290h      Closed     Closed     Open

   2E0h      Closed      Open     Closed

   2F0h      Closed      Open      Open

   300h       Open      Closed    Closed

   350h       Open      Closed     Open

   380h       Open       Open     Closed

   3E0h       Open       Open      Open

                               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)

                                        TIMEOUT CONFIGURATION

            Response Time                          J1/A                            J1/B

                74.7s                            Open                            Open

                 283.4s                           Open                           Closed

                 561.8s                          Closed                           Open

                1118.6s                          Closed                          Closed

                                 TOPOLOGY

                  Type                                  J7

                   Star                              Closed

                 Linear bus                            Open

                    CONNECTIONS

         Purpose                  Location

  External LED connector             LJ1

                              DIAGNOSTIC LEDS

  LED      Color      Status                    Condition

  LED1      Red       Blinking         Network connection is broken

  LED1      Red         On              Network connection is good

  LED2     Green        Off       Data is not being transmitted/received

  LED2     Green        On          Data is being transmitted/received

