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 (CON’T)

      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.