EQUINOX SYSTEMS, INC.

SST-4I MULTIPORT BOARD

Card Type               Multi-I/O card
Chip Set                Unidentified
Maximum Onboard Memory  Unidentified
I/O Options             Serial ports (4 RS-232 or RJ-45)
Hard Drives supported   None
Floppy drives supported None
Data Bus                16-bit ISA

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                                CONNECTIONS

                     Function                               Label

  Serial ports via DB-25 connector                           CN1

  Note: Fan out cables provide either for DB25 connectors or four RJ-45
  connectors

                        USER CONFIGURABLE SETTINGS

                  Function                     Label         Position

  Plug and play enabled, SW1 disabled           JP1         Pins 1 & 2
                                                              closed

  Plug and play disabled, SW1 enabled           JP1         Pins 2 & 3
                                                              closed

  Note: When plug and play is enabled, SW1 is disabled

                        BASE I/O ADDRESS SELECTION

     Setting          SW1/1         SW1/2         SW1/3         SW1/4

         200h          Off           Off           Off           Off

         220h           On           Off           Off           Off

  »      240h          Off            On           Off           Off

         260h           On            On           Off           Off

         280h          Off           Off            On           Off

         2A0h           On           Off            On           Off

         2C0h          Off            On            On           Off

         2E0h           On            On            On           Off

         300h          Off           Off           Off            On

         320h           On           Off           Off            On

         340h          Off            On           Off            On

         360h           On            On           Off            On

         380h          Off           Off            On            On

         3A0h           On           Off            On            On

         3C0h          Off            On            On            On

         3E0h           On            On            On            On