RAD DATA COMMUNICATIONS, INC.

SRM-8

Card Type         Modem (synchronous/asynchronous)
Chipset           Unidentified
Maximum Data Rate 19.2Kbps
Data Bus          Serial
Data Modulation   Unidentified

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  V.24 serial port             CN1     Line out (see pinout         SC1
                                       below)

                                SC1 PINOUT

          Function             Screw           Function             Screw

  Receive line                  1      Transmit line                 4

  Receive line                  2      Transmit line                 5

  Ground                        3

                        USER CONFIGURABLE SETTINGS

                      Setting                        Label     Position

  SW1 position 3 enters remote digital loopback       J1        Closed
  test

  SW1 position 3 enters has no function               J1         Open

  Stop bit shortened by 12.5% in asynchronous mode   SW3/1       Off

  Stop bit shortened by 25% in asynchronous mode     SW3/1        On

  CD signal forced high                              SW3/4       Off

  CD signal follows RTS                              SW3/4        On

  Pin 18 of CN1 has no function                      SW3/5       Off

  Pin 18 of CN1 begins local analog loopback test    SW3/5        On

  Pin 21 of CN1 has no function                      SW3/6       Off

  Pin 21 of CN1 begins remote digital loopback       SW3/6        On
  test

   CHARACTER LENGTH SELECTION

  Setting    SW3/2      SW3/3

  8 bits      Off        Off

  9 bits      Off        On

  10 bits      On        Off

  11 bits      On        On

                            TEST MODE SELECTION

               Setting                                SW1

   Start local analog loopback test                Position 1

           Normal operation                        Position 2

  Start remote digital loopback test               Position 3

    LINE SPEED SELECTION

   Setting         SW2

   1200bps     Position 7

   2400bps     Position 6

   3600bps     Position 5

   4800bps     Position 4

   7200bps     Position 3

   9600bps     Position 2

   14.4Kbps    Position 1

   19.2Kbps    Position 0

        RTS TO CTS DELAY SELECTION

  Setting     J2/A       J2/B      J2/C

   0 mS       Open       Open     Closed

   8 mS       Open      Closed     Open

   64 mS     Closed      Open      Open

                      TRANSMIT CLOCK SOURCE SELECTION

       Setting           J3/A         J3/B          J3/C         J3/D

  Asynchronous mode     Closed        Open          Open         Open

     Remote clock        Open        Closed         Open         Open
       source

    Internal clock       Open         Open         Closed        Open
       source

    External clock       Open         Open          Open        Closed
       source

                     DIAGNOSTIC LED(S)

   LED      Color     Status            Condition

   LED       Red        On        Modem is in test mode

   LED       Red        Off     Modem is not in test mode