CNET TECHNOLOGY, INC.

CN160A REV.2.31

NIC Type              Arcnet
Network Transfer Rate 2.5Mbps
Data Bus              16-bit ISA
Topology              Linear Bus
Wiring Type           RG-58A/U 50ohm coaxial
Boot ROM              Available

[Image]

                         CONNECTIONS

           Function                        Label

  RG-58A/U 50ohm coaxial port               CN1

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  Boot ROM enabled                              JP11        Pins 1 & 2
                                                              closed

  Boot ROM disabled                             JP11        Pins 2 & 3
                                                              closed

  Internal terminator enabled                   JP13        Pins 1 & 2
                                                              closed

  Internal terminator disabled                  JP13        Pins 2 & 3
                                                              closed

                        BASE I/O ADDRESS SELECTION

        Address               SW1/1            SW1/2           SW1/3

          260-26Fh             On               On               On

          290-29Fh             Off              On               On

  »       2E0-2Efh             On               Off              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

                                       INTERRUPT SELECTION

   IRQ     JP1      JP2      JP3      JP4      JP5      JP6      JP7      JP8     JP9      JP10

  »   2   Closed    Open     Open     Open    Open     Open     Open     Open     Open     Open

      3    Open    Closed    Open     Open    Open     Open     Open     Open     Open     Open

      4    Open     Open    Closed    Open    Open     Open     Open     Open     Open     Open

      5    Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open

      7    Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open

      10   Open     Open     Open     Open    Open     Closed   Open     Open     Open     Open

      11   Open     Open     Open     Open    Open     Open     Closed   Open     Open     Open

      12   Open     Open     Open     Open    Open     Open     Open     Closed   Open     Open

      14   Open     Open     Open     Open    Open     Open     Open     Open     Open    Closed

      15   Open     Open     Open     Open    Open     Open     Open     Open    Closed    Open

                           CABLE TYPE SELECTION

           Type                    JP12/A                  JP12/B

  RG-58A/U 50ohm coaxial      Pins 2 & 3 closed       Pins 2 & 3 closed

  Unshielded twisted pair     Pins 1 & 2 closed       Pins 1 & 2 closed

                           ROM ADDRESS SELECTION

        Address           SW1/4     SW1/5     SW1/6     SW1/7     SW1/8

       C0000h-C07FFh       On        On        On        On         On

       C4000h-C47FFh       On        On        Off       On         On

       CC000h-CC7FFh       On        On        On        Off        On

  »    D0000h-D07FFh       On        On        Off       Off        On

       D4000h-D47FFh       On        On        On        On        Off

       C8000h-C87FFh       On        On        Off       On        Off

       DC000h-DC7FFh       On        On        On        Off       Off

       E0000h-E07FFh       On        On        Off       Off       Off

                         DIAGNOSTIC LED(S)

    LED        Color      Status              Condition

    LED1       Green        On        Network connection is good

    LED1       Green       Off       Network connection is broken

    LED2      Yellow        On        Data is being transmitted

    LED2      Yellow       Off       Data is not being transmitted

                       MISCELLANEOUS TECHNICAL NOTES

            Note: The purpose of SW2 is to set the station address. SW8
            stands for the least significant bit and SW1 stands for the
            most significant bit. Never use the on position for any
            network station ID.