
XINETRON, INC.

RA231B/RA231S

NIC Type      ARCnet
Transfer Rate 2.5Mbps
Data Bus      16-bit ISA
Topology      Star (RA231S)

              Linear Bus (RA231B)
Wiring Type   RG-62A/U 92ohm coaxial
Boot ROM      Available

[Image]

                               NODE ADDRESS

  Node   SW2/1    SW2/2   SW2/3   SW2/4    SW2/5   SW2/6    SW2/7   SW2/8

   0       -       -        -       -       -        -       -        -

   1      On       On      On      On       On      On       On      Off

   2      On       On      On      On       On      On      Off      On

   3      On       On      On      On       On      On      Off      Off

   4      On       On      On      On       On      Off      On      On

  251     Off     Off      Off     Off     Off      On      Off      Off

  252     Off     Off      Off     Off     Off      Off      On      On

  253     Off     Off      Off     Off     Off      Off      On      Off

  254     Off     Off      Off     Off     Off      Off     Off      On

  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
       8 is the Least Significant Bit and switch 1 is the Most
       Significant Bit. The switches have the following decimal values:
       switch 1=128, 2=64, 3=32, 4=16, 5=8, 6=4, 7=2, 8=1. Turn off the
       switches and add the values of the off switches to obtain the
       correct node address. (On=0, Off=1)

                            COMPATIBILITY MODE

                 Setting                                JP1A

                  Disabled                             Open

                    Enabled                            Closed

  Note:Some systems use non-standard timing. This option attempts to make
  those systems work with this card by extending the I/O bus cycle. If
  your system does not work with this card set this option to enabled
  (JP1 closed).

                                WAIT STATE

                 Setting                               JP1B

               0 wait states                          Open

                 1 wait state                         Closed

                                 BOOT ROM

                 Setting                                JP1C

                  Disabled                             Open

                   Enabled                             Closed

                             INTERRUPT REQUEST

     IRQ          JP2A        JP2B        JP2C        JP2D        JP2E

      2/9       Closed       Open        Open        Open        Open

        3         Open       Closed       Open        Open        Open

        4         Open        Open       Closed       Open        Open

        5         Open        Open        Open       Closed       Open

        7         Open        Open        Open        Open       Closed

                             I/O BASE ADDRESS

       Address              SW1/1             SW1/2            SW1/3

        260 - 26Fh            On                On               On

        290 - 29Fh            On                On              Off

       2E0 - 2EFh            On               Off               On

        2F0 - 2FFh            On               Off              Off

        300 - 30Fh           Off                On               On

        350 - 25Fh           Off                On              Off

        380 - 38Fh           Off               Off               On

        3E0 - 3EFh           Off               Off              Off

                   BUFFER ADDRESS &AMP; BOOT ROM ADDRESS

    Buffer       Boot ROM     SW1/4    SW1/5    SW1/6    SW1/7     SW1/8
   Address       Address

    C0000 -       C2000 -      On       On        On       On       On
    C07FFh        C3FFFh

    C0800 -       C2000 -      On       On        On       On       Off
    C0FFFh        C3FFFh

    C1000 -       C2000 -      On       On        On      Off       On
    C17FFh        C3FFFh

    C1800 -       C2000 -      On       On        On      Off       Off
    C1FFFh        C3FFFh

    C4000 -       C6000 -      On       On       Off       On       On
    C47FFh        C7FFFh

    C4800 -       C6000 -      On       On       Off       On       Off
    C4FFFh        C7FFFh

    C5000 -       C6000 -      On       On       Off      Off       On
    C57FFh        C7FFFh

    C5800 -       C6000 -      On       On       Off      Off       Off
    C5FFFh        C7FFFh

    CC000 -       CE000 -      On       Off       On       On       On
    CC7FFh        CFFFFh

    CC800 -       CE000 -      On       Off       On       On       Off
    CCFFFh        CFFFFh

    CD000 -       CE000 -      On       Off       On      Off       On
    CD7FFh        CFFFFh

    CD800 -       CE000 -      On       Off       On      Off       Off
    CDFFFh        CFFFFh

    D0000 -       D2000 -      On       Off      Off       On       On
    D07FFh        D3FFFh

    D0800 -       D2000 -      On       Off      Off       On       Off
    D0FFFh        D3FFFh

    D1000 -       D2000 -      On       Off      Off      Off       On
    D17FFh        D3FFFh

    D1800 -       D2000 -      On       Off      Off      Off       Off
    D1FFFh        D3FFFh

    D4000 -       D6000 -      Off      On        On       On       On
    D47FFh        D7FFFh

    D4800 -       D6000 -      Off      On        On       On       Off
    D4FFFh        D7FFFh

    D5000 -       D6000 -      Off      On        On      Off       On
    D57FFh        D7FFFh

    D5800 -       D6000 -      Off      On        On      Off       Off
    D5FFFh        D7FFFh

    D8000 -       DA000 -      Off      On       Off       On       On
    D87FFh        DBFFFh

    D8800 -       DA000 -      Off      On       Off       On       Off
    D8FFFh        DBFFFh

    D9000 -       DA000 -      Off      On       Off      Off       On
    D97FFh        DBFFFh

    D9800 -       DA000 -      Off      On       Off      Off       Off
    D9FFFh        DBFFFh

    DC000 -       DE000 -      Off      Off       On       On       On
    DC7FFh        DFFFFh

    DC800 -       DE000 -      Off      Off       On       On       Off
    DCFFFh        DFFFFh

    DD000 -       DE000 -      Off      Off       On      Off       On
    DD7FFh        DFFFFh

    DD800 -       DE000 -      Off      Off       On      Off       Off
    DDFFFh        DFFFFh

    E0000 -       E2000 -      Off      Off      Off       On       On
    E07FFh        E3FFFh

    E0800 -       E2000 -      Off      Off      Off       On       Off
    E0FFFh        E3FFFh

    E1000 -       E2000 -      Off      Off      Off      Off       On
    E17FFh        E3FFFh

    E1800 -       E2000 -      Off      Off      Off      Off       Off
    E1FFFh        E3FFFh

[Image]

                             DIAGNOSTIC LED(S)

    LED          Color          Status                Condition

    LED1        Yellow         Flashing       Data is being transmitted

    LED1        Yellow           Off               Data is not being
                                                     transmitted

    LED2          Red           Slower        Network activity detected
                               Flashing

    LED2          Red       Rapid Blinking   Network connection is broken

    LED2          Red             On          Network connection is good

