TOPIC:  PINOUT INFORMATION FOR WY-60 PARALLEL AUX PORT OPTION.

DATE:   06/01/90

PRODUCT:        WY-60

THE ISSUE:
        What is the pinout information for the WY-60 parallel AUX port
        option?

RESOLUTION:
                PORT INFORMATION  (NUMBER OF PORTS 2)
        =============================================================
        MODEM PORT - DB25 FEMALE CONNECTOR (DTE) RS232 ONLY.
                PIN 1     FRAME GROUND
                PIN 2     TRANSMIT DATA           OUTPUT
                PIN 3     RECEIVE DATA            INPUT
                PIN 4     REQUEST TO SEND         OUTPUT
                PIN 5     CLEAR TO SEND           INPUT
                PIN 6     DATA SET READY          INPUT
                PIN 7     SIGNAL GROUND
                PIN 8     DATA CARRIER DETECT     INPUT
                PIN 20    DATA TERMINAL READY     OUTPUT

                PIN 20 HARDWARE HANDSHAKE LINE.

        AUX PORT - DB25 FEMALE PARALLEL CONNECTOR.
                PIN 1     - STROBE                OUTPUT
                PIN 2     + DATA BIT O            OUTPUT
                PIN 3     + DATA BIT 1            OUTPUT
                PIN 4     + DATA BIT 2            OUTPUT
                PIN 5     + DATA BIT 3            OUTPUT
                PIN 6     + DATA BIT 4            OUTPUT
                PIN 7     + DATA BIT 5            OUTPUT
                PIN 8     + DATA BIT 6            OUTPUT
                PIN 9     + DATA BIT 7            OUTPUT
                PIN 10    - ACKNOWLEDGE           INPUT
                PIN 11    + BUSY                  INPUT
                PIN 12    + PAPER END             INPUT
                PIN 15    - ERROR                 INPUT
                PIN 17-25 GROUND

        FLOW CONTROL:
                MODEM PORT - SELECTED IN SETUP BY MODEM RCV HNDSHAKE FIELD.
                NONE          NO HANDSHAKING ON THE MODEM PORT.
                XON/XOFF      XON/XOFF HANDSHAKING USED ON THE MODEM PORT.
                DTR           DTR HANDSHAKING USED ON THE MODEM PORT.
                BOTH          BOTH TYPES OF HANDSHAKING USED.
        NOTE: TO TURN ON XPC HANDSHAKE FOR PC TERM PERSONALITY

        MODEM RCV HNDSHAKE FIELD MUST BE SET TO XON/XOFF AND XPC HNDSHAKE
        FIELD MUST BE SET TO ON. IF XPC HNDSHAKING = ON AND MODEM RCV
        HNDSHAKE = BOTH THEN XPC/DTR HANDSHAKING WILL OCCUR.
        AUX PORT - THE BUSY LINE (PIN 11) IS USED FOR HANDSHAKING.

        ADDITIONAL INFORMATION:
                HIGH WATER MARK - 192 CHARACTERS OR 75%.
                LOW WATER MARK - 64 CHARACTERS OR 25%.
                MAX BAUD RATE - 38,400 MODEM
                DATA BITS - 7 OR 8
                STOP BITS - 1 OR 2
                PARITY - NONE, ODD, EVEN, OR MARK.

=-=-=-=-=-=-=-=-=-=-=-=-=- DISCLAIMER =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  This information is intended to inform WYSE personnel and WYSE
  customers of certain issues in a timely fashion. The information
  has not been extensively verified or tested. WYSE does not warrant
  the information to be correct, although reasonable effort has been
  taken to prevent gross inaccuracies. WYSE publishes formal technical
  communiques in the form of Product Bulletins and warrants the data
  in Product Bulletins to be accurate at the time of the release.