
THOMAS-CONRAD CORPORATION

TC6045

NIC Type      ARCnet
Transfer Rate 2.5Mbps
Data Bus      16-bit ISA
Topology      Star
Wiring Type   RG62/U 93ohm 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      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 to of the off switches to obtain the
       correct node address. (On=0, Off=1)

                                            INTERRUPT REQUEST

   IRQ     JP1      JP2      JP3      JP4      JP5      JP6      JP7      JP8     JP9      JP10     JP11

     2    Open     Open     Open     Open    Open     Open     Open     Open     Open     Open    Closed

      3    Open     Open     Open     Open    Open     Closed   Open     Open     Open     Open     Open

      4    Open     Open     Open     Open    Open     Open     Closed   Open     Open     Open     Open

      5    Open     Open     Open     Open    Open     Open     Open     Closed   Open     Open     Open

      6    Open     Open     Open     Open    Open     Open     Open     Open    Closed    Open     Open

      7    Open     Open     Open     Open    Open     Open     Open     Open     Open    Closed    Open

      14  Closed    Open     Open     Open    Open     Open     Open     Open     Open     Open     Open

      15   Open    Closed    Open     Open    Open     Open     Open     Open     Open     Open     Open

      12   Open     Open    Closed    Open    Open     Open     Open     Open     Open     Open     Open

      11   Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open     Open

      10   Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open

            CABLE LENGTH AND RESPONSE/RECONFIGURATION TIMEOUTS

  Cable Length      Response     Reconfiguration       JP12       JP13
                     Time

      < 20,000     74.7s            840ms            Open       Open
        feet

       > 20,000     283.4s           1680ms           Open      Closed
        feet

       > 20,000     561.8s           1680ms          Closed      Open
        feet

       > 20,000     1118.6s          1680ms          Closed     Closed
        feet

  Note: All NICs on the network must have this option set the same.

                            COMPATIBILITY MODE

                   Mode                                 JP14

                Enhanced mode                         Closed

                Compatible mode                         Open

  Note: Enhanced mode optimizes performance and minimizes conflicts of
  your hardware, by using a Thomas-Conrad ARCNET driver. It is also not
  necessary to set the I/O address. In compatible mode the adapter can
  use most existing ARCNET drivers.

                            BASE MEMORY ADDRESS

    Address      SW1/5     SW1/6     SW1/7     SW1/8    SW3/1      SW3/2

      D0000h     Off       Off       On        Off       On        On

       C0000h     Off       Off       On        On        On        On

       C4000h     Off       Off       On        On        On        Off

       C8000h     Off       Off       On        On       Off        On

       CC000h     Off       Off       On        On       Off        Off

       D4000h     Off       Off       On        Off       On        Off

       D8000h     Off       Off       On        Off      Off        On

       DC000h     Off       Off       On        Off      Off        Off

       E0000h     Off       Off       Off       On        On        On

       E4000h     Off       Off       Off       On        On        Off

       E8000h     Off       Off       Off       On       Off        On

       EC000h     Off       Off       Off       On       Off        Off

  Note: Only addresses C0000h and D0000h are valid when using compatible
  mode. Address C0000h cannot be

                             I/O BASE ADDRESS

     I/O        SW3/3     SW3/4     SW3/5     SW3/6     SW3/7      SW3/8

      2E0h      Off       On        Off       Off       Off        On

       2F0h      Off       On        Off       Off       Off        Off

       300h      Off       Off        On        On        On        On

       310h      Off       Off        On        On        On        Off

       320h      Off       Off        On        On       Off        On

       330h      Off       Off        On        On       Off        Off

       340h      Off       Off        On       Off        On        On

       350h      Off       Off        On       Off        On        Off

       360h      Off       Off        On       Off       Off        On

       370h      Off       Off        On       Off       Off        Off

       380h      Off       Off       Off        On        On        On

       390h      Off       Off       Off        On        On        Off

       3A0h      Off       Off       Off        On       Off        On

       3B0h      Off       Off       Off        On       Off        Off

       3C0h      Off       Off       Off       Off        On        On

       3D0h      Off       Off       Off       Off        On        Off

       3E0h      Off       Off       Off       Off       Off        On

       3F0h      Off       Off       Off       Off       Off        Off

  FACTORY CONFIGURED SETTINGS - DO NOT ALTER

        Switch                 Setting

         SW1/1                    On

         SW1/2                    On

         SW1/3                    On

         SW1/4                    On

