ZENITH DATA SYSTEMS

RS-422 CURRENT LOOP LAN INTERFACE CARD

Card Type          Serial I/O controller
Chipset Controller Unidentified
I/O Options        RS-422 serial port
Maximum Dram       N/A

[Image]

                    CONNECTIONS

          Purpose                  Location

  RS-422 serial interface             CN1

                               INTERRUPT SELECT

  IRQ     JP2/A   JP2/B    JP2/C    JP2/D    JP2/E    JP2/F    JP2/G    JP2/H

    »     Open    Closed    Open     Open     Open    Open     Open     Open
  IRQ4

  IRQ3    Closed   Open     Open     Open     Open    Open     Open     Open

  IRQ5    Open     Open    Closed    Open     Open    Open     Open     Open

  IRQ10   Open     Open     Open    Closed    Open    Open     Open     Open

  IRQ11   Open     Open     Open     Open    Closed   Open     Open     Open

  IRQ12   Open     Open     Open     Open     Open    Closed   Open     Open

  IRQ14   Open     Open     Open     Open     Open    Open     Closed   Open

  IRQ15   Open     Open     Open     Open     Open    Open     Open     Closed

                        BASE MEMORY ADDRESS SELECT

   Address      SW1/2    SW1/3   SW1/4    SW1/5    SW1/6   SW1/7   SW1/8

  » 3F8-3FFh     Off     Off      Off      Off     Off      Off     Off

   2F8-2FFh      Off      On      Off      Off     Off      Off     Off

   1A0-1A7h      On      Off      Off      On      Off      On       On

                    RTS/CTS CONFIGURATION

            Setting                          JP1

  RTS/CTS handshaking disabled               Open

  RTS/CTS handshaking enabled               Closed

  CURRENT LOOP INTERFACE CONFIGURATION

       Setting              SW1/1

      Disabled               On

       Enabled               Off