CONNECT TECH, INC.

DFLEX-4/104

Card Type   Serial
Chipset     16550
I/O Options Serial ports (4)
Data Bus    8-bit PC/104

[Image]

                                CONNECTIONS

        Function           Label             Function             Label

  RS-232, RS-422,           CN1       DC power in (see pinout      CN5
  RS-485, or current                  below)
  loop serial port 2

  RS-232, RS-422,           CN2       Serial interface module      SL1
  RS-485, or current                  for ports 1 & 2
  loop serial port 4

  RS-232, RS-422,           CN3       Serial interface module      SL2
  RS-485, or current                  for ports 3 & 4
  loop serial port 3

  RS-232, RS-422,           CN4
  RS-485, or current
  loop serial port 1

            Note:Standard serial ports are provided on an adapter cable.

            The type of serial port is determined by the module installed
            in SL1 and SL2.

                                CN5 PINOUT

          Function             Pin             Function              Pin

  Ground                        1      -5V DC power in (not           5
                                       used)

  +5V DC power in               2      -12V DC power in               6

  Not used                      3      Ground                         7

  +12V DC power in              4      +5V DC power in                8

                        USER CONFIGURABLE SETTINGS

                   Setting                      Label        Position

  »   Factory configured - do not alter          JP1         Pins 1 & 2
                                                              closed

  »   Factory configured - do not alter          JP1         Pins 3 & 4
                                                              closed

                       SERIAL PORT ADDRESS SELECTION

      Port 1          Port 2       Port 3        Port 4          JP1

  »      200h          208h         210h          218h      Pins 21 & 22,
                                                            23 & 24, 25 &
                                                              26 closed

         240h          248h         250h          258h      Pins 23 & 24,
                                                               25 & 26
                                                               closed

         280h          288h         290h          298h      Pins 21 & 22,
                                                               25 & 26
                                                               closed

         2C0h          2C8h         2D0h          2D8h       Pins 25 & 26
                                                               closed

         3F8h          2F8h          3E8h         2E8h      Pins 21 & 22,
       (COM1:)       (COM2:)       (COM3:)      (COM4:)        23 & 24
                                                               closed

         2B0h          2B8h         2C0h          2C8h       Pins 23 & 24
                                                               closed

         290h          298h         2A0h          2A8h       Pins 21 & 22
                                                               closed

         190h          198h         1A0h          1A8h      Pins 21 & 22,
                                                            23 & 24, 25 &
                                                               26 open

                            INTERRUPT SELECTION

                Setting                                 JP1

                  IR/FONT>                      Pins 13 & 15 closed

                    IRQ3                        Pins 11 & 13 closed

  »                 IRQ4                         Pins 7 & 9 closed

                    IRQ5                         Pins 5 & 7 closed