B & B ELECTRONICS

3PXOCC2A, 3PXOCC2B

Card Type Serial card
Chip Set  Unidentified
Data Bus  16-bit ISA

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  9-pin serial port 1           J1     9-pin serial port 2           J2

                        USER CONFIGURABLE SETTINGS

                Function                    Label          Position

  IRQ share select normal                    JP4       Pins 1 & 3, 2 & 4
                                                            closed

  IRQ share select sharing                   JP4       Pins 3 & 5, 4 & 6
                                                            closed

                  SERIAL PORT SELECTION (RS-232 & RS-422)

           Setting                    JP1C                   JP2C

           RS-232               1 & 2, 4 & 5, 7 &    1 & 2, 4 & 5, 7 & 8,
                                   8, 10 & 11              10 & 11

         RS-422/485             2 & 3, 5 & 6, 8 &    2 & 3, 5 & 6, 8 & 9,
                                   9, 11 & 12              11 & 12

  Note: Pins designated should be in the closed position.

                  SERIAL PORT SELECTION (RS-422 & RS-485)

    Setting         JP1A           JP1B          JP2A            JP2B

    RS-422       Pins 1 & 2     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
                   closed         closed        closed          closed

    RS-485       Pins 2 & 3     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3
                   closed         closed        closed          closed

                             RS-485 SELECTION

         Setting                   JP5                      JP6

     Send Data (SD)         Pins 1 & 2 closed        Pins 1 & 2 closed

  Request to Send (RTS)     Pins 2 & 3 closed        Pins 2 & 3 closed

                       MISCELLANEOUS TECHNICAL NOTE

  JP1C, JP1A, JP1B & JP5 control serial port 1 and JP2C, JP2A, JP2B & JP6
  control serial port 2.

                      SERIAL PORT 1 ADDRESS SELECTION

  Address    SW1/1    SW1/2    SW1/3    SW1/4    SW1/5    SW1/6    SW1/7

    3F8       Off      Off      Off      Off      Off      Off      Off

    2F8       Off      Off      Off      Off      Off      On       Off

    3E8       Off      On       Off      Off      Off      Off      Off

    2E8       Off      On       Off      Off      Off      On       Off

                      SERIAL PORT 2 ADDRESS SELECTION

  Address    SW2/1    SW2/2    SW2/3    SW2/4    SW2/5    SW2/6    SW2/7

    3F8       Off      Off      Off      Off      Off      Off      Off

    2F8       Off      Off      Off      Off      Off      On       Off

    3E8       Off      On       Off      Off      Off      Off      Off

    2E8       Off      On       Off      Off      Off      On       Off

                            INTERRUPT SELECTION

          IRQ                 Port 1 (J1)               Port 2 (J2)

         IRQ2               JP3/pins 31 & 32      JP3/pins 32 & 33 closed
                                closed

         IRQ3               JP3/pins 28 & 29      JP3/pins 29 & 30 closed
                                closed

         IRQ4               JP3/pins 25 & 26      JP3/pins 26 & 27 closed
                                closed

         IRQ5               JP3/pins 22 & 23      JP3/pins 23 & 24 closed
                                closed

         IRQ6               JP3/pins 19 & 20      JP3/pins 20 & 21 closed
                                closed

         IRQ7               JP3/pins 16 & 17      JP3/pins 17 & 18 closed
                                closed

         IRQ10              JP3/pins 13 & 14      JP3/pins 14 & 15 closed
                                closed

         IRQ11              JP3/pins 10 & 11      JP3/pins 11 & 12 closed
                                closed

         IRQ12           JP3/pins 7 & 8 closed     JP3/pins 8 & 9 closed

         IRQ14           JP3/pins 4 & 5 closed     JP3/pins 5 & 6 closed

         IRQ15           JP3/pins 1 & 2 closed     JP3/pins 2 & 3 closed

                     DATA RATE SELECTION

       Setting               JP7                  JP8

        High           Pins 1 & 2 closed   Pins 1 & 2 closed

         Low           Pins 2 & 3 closed   Pins 2 & 3 closed