SERIAL PORT:

       CONNECTION TYPE: DB25 (MALE) - a500 / a2000

       PIN     AMIGA     RS232     HAYES    I/O      DESCRIPTION
       ----------------------------------------------------------------------------
       1       SHIELD    GND       GND       --      SHIELD EARTH
       2       TXD       TXD       TXD       O       TRANSMIT DATA
       3       RXD       RXD       RXD       I       RECEIVE DATA
       4       RTS       RTS       -         O       REQUEST TO SEND
       5       CTS       CTS       CTS       I       CLEAR TO SEND
       6       DSR       DSR       DSR       I       DATA SET READY
       7       GND       GND       GND       -       SYSTEM EARTH
       8       CD        CD        DCD       I       CARRIER DETECT
       9       +12V      -         -         -       +12 VOITS DC (20 mA MAXIMUM)
       10      -12V      -         -         -       -12 VOLTS DC (20 mA MAXIMUM)
       11      AUDO      -         -         O       AMIGA AUDIO OUT (LEFT)
       12      N/C       S.SD      SI        -       SPEED INDICATE
       13      N/C       S.CTS     -         -
       14      N/C       S.TXD     -         -
       15      N/C       TXC       -         -
       16      N/C       S.RXD     -         -
       17      N/C       RXC       -         -
       18      AUDI      -         -         I       AMIGA AUDIO IN (RIGHT)
       19      N/C       S.RTS     -         -
       20      DTR       DTR       DTR       O       DATA TERMINAL READY
       21      N/C       SQD       -         -
       22      RI        RI        RI        I       RING INDICATOR
       23      N/C       SS        -         -
       24      N/C       TXC1      -         -
       25      N/C       -         -         -

       PINS 9 & 10 ON THE AMIGA SERIAL PORT ARE USED FOR EXTERNAL POWER.
       CONNECT THESE PINS ONLY IF POWER FROM THEM IS REQUIRED BY THE
       EXTERNAL DEVICE.

       PIN 7 IS SYSTEM EARTH. DO NOT CONNECT THIS TO SHIELD EARTH ON PIN 1

       CONNECTION TYPE: DB25 (FEMALE) - a1000

       PIN     AMIGA     RS232     HAYES    I/O      DESCRIPTION
       ----------------------------------------------------------------------------
       1       SHIELD    GND       GND       --      SHIELD EARTH
       2       TXD       TXD       TXD       O       TRANSMIT DATA
       3       RXD       RXD       RXD       I       RECEIVE DATA
       4       RTS       RTS       -         O       REQUEST TO SEND
       5       CTS       CTS       CTS       I       CLEAR TO SEND
       6       DSR       DSR       DSR       I       DATA SET READY
       7       GND       GND       GND       -       SYSTEM EARTH
       8       CD        CD        DCD       I       CARRIER DETECT
       9       N/C       -         -         -       UNUSED
       10      N/C       -         -         -       UNUSED
       11      N/C       -         -         O       UNUSED
       12      N/C       S.SD      SI        -       UNUSED
       13      N/C       S.CTS     -         -       UNUSED
       14      -5V       S.TXD     -         -       -5 VOLTS DC
       15      AUDO      TXC       -         O       AUDIO OUT (LEFT)
       16      AUDI      S.RXD     -         I       AUDIO IN (RIGHT)
       17                RXC       -         O       E BUFFERED E CLOCK (716KHZ)
       18      /INT2     -         -         I       INTERUPT LEVEL 2 (PAULA)
       19      N/C       S.RTS     -         -       UNUSED
       20      DTR       DTR       DTR       O       DATA TERMINAL READY
       21      +5V       SQD       -         -       +5 VOLTS DC
       22      N/C       RI        RI        -       UNUSED
       23      +12V      SS        -         -       +12 VOLTS DC
       24      MCLK      TXC1      -         O       CLOCK OUTPUT 2.58MHz
       25      /MRES     -         -         O       BUFFERED RESET OUTPUT


       ON THE a1000 NOTE THAT SOME LINES ARE ASSIGNED DIFFERENTLY

       COMPILED & WRITTEN BY PAUL ANDREWS JR