
DECISION COMPUTER INTERNATIONAL CO., LTD.

SAFLINE 4-PORT MULTIPLEXER SERIAL

Card Type   Serial
Chipset     GoldStar
I/O Options Serial ports (4)
Data Bus    8-bit ISA

[Image]

                                CONNECTIONS

               Function                               Label

  Serial ports via RJ-11 connector                      J1

            Note:Standard DB-25 serial ports are provided on an external
            expansion box.

                        USER CONFIGURABLE SETTINGS

                 Setting                    Label          Position

     Bus speed set to 16MHz or lower        JP1       Pins 1 & 2 closed

      Bus speed set higher than 16MHz        JP1       Pins 3 & 4 closed

     Factory configured - do not alter      JP3         Unidentified

     Board is in normal mode                JP5       Pins 1 & 2 closed

      Board is in PC-MOS/386 mode            JP5       Pins 2 & 3 closed

                     SERIAL PORT ADDRESSES/INTERRUPTS

   Option       Port 1      IRQ      Port 2       IRQ    Port 3   Port 4

        1        3F8h        4         2F8h        3      1B0h     1B8h
               (COM1:)               (COM2:)

        2        3F8h        4         2F8h        3      2B0h     2B8h
               (COM1:)               (COM2:)

       3        1A0h       SW1       1A8h        SW1     1B0h     1B8h

        4        2A0h       SW1       2A8h        SW1     2B0h     2B8h

            Note:The interrupt for port 3 and port 4 is always set by
            SW1.

                 SERIAL PORT ADDRESSES/INTERRUPTS (CONT)

      Option                JP2                 SW1/7           SW1/8

          1           Pins 1 & 2, 3 & 4          On              On
                           closed

          2           Pins 1 & 2, 3 & 4          On              Off
                           closed

         3                 Open                 Off             On

          4                 Open                 Off             Off

                                 INTERRUPT

   Setting      SW1/1     SW1/2     SW1/3     SW1/4     SW1/5      SW1/6

       IRQ2      On        Off       Off       Off       Off        Off

       IRQ3      Off       On        Off       Off       Off        Off

       IRQ4      Off       Off       On        Off       Off        Off

      IRQ5      Off       Off       Off        On       Off        Off

       IRQ6      Off       Off       Off       Off        On        Off

       IRQ7      Off       Off       Off       Off       Off        On

             MAXIMUM TRANSFER RATE

  Setting      JP4/A       JP4/B      JP4/C

  9600bps      Open        Open       Closed

  19.2Kbps     Open       Closed       Open

  38.4Kbps    Closed       Open        Open

                   DIAGNOSTIC LED(S)

            The function of the LED is unidentified.

