RAD DATA COMMUNICATIONS

CMN-CF8 (SMA)

Card Type         Modem (synchronous/asynchronous)
Chipset           Unidentified
Wire Type         Fiber optic cable
Maximum Data Rate 19.2Kbps x 2
Data Modulation   Unidentified
Data Bus          Proprietary

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Serial data port             CN1     Loopback test switch         SW4

  Fiber optic SMA cable        CN2

                        USER CONFIGURABLE SETTINGS

                     Setting                       Label      Position

  Stop bit shortening for asynchronous mode set    SW1/1         Off
  to 12.5%

  Stop bit shortening for asynchronous mode set    SW1/1         On
  to 25%

  DCD forced high                                  SW1/4         On

  DCD follows RTS                                  SW1/4         Off

  Pin 18 of CN1 has no function                    SW1/5         Off

  Pin 18 of CN1 begins local analog loopback       SW1/5         On
  test

  Pin 21 of CN1 has no function                    SW1/6         Off

  Pin 21 of CN1 begins remote digital loopback     SW1/6         On
  test

  CN1 is DCE                                        SW3          Off

  CN1 is DTE                                        SW3          On

                      TRANSMIT CLOCK SOURCE SELECTION

       Setting           JP2/A        JP2/B        JP2/C         JP2/D

      Internal          Closed        Open          Open         Open

      External           Open        Closed         Open         Open

      Received           Open         Open         Closed        Open

  Asynchronous mode      Open         Open          Open        Closed

        RTS TO CTS DELAY SELECTION

  Setting    JP3/A      JP3/B      JP3/C

   0 mS      Closed      Open      Open

   8 mS       Open      Closed     Open

   68 mS      Open       Open     Closed

     DATA LENGTH SELECTION

  Setting    SW1/2      SW1/3

  8 bits      Off        Off

  9 bits      Off        On

  10 bits      On        Off

  11 bits      On        On

    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

                          DIAGNOSTIC LED(S)

    LED        Color      Status               Condition

    PWR        Green        On                Power is on

    PWR        Green        Off               Power is off

    XMT       Yellow        On         Modem is transmitting data

    XMT       Yellow        Off      Modem is not transmitting data

    RCV       Yellow        On          Modem is receiving data

    RCV       Yellow        Off       Modem is not receiving data

    DCD       Yellow        On          Carrier signal detected

    DCD       Yellow        Off       Carrier signal not detected

    TST         Red         On           Modem is in test mode

    TST         Red         Off        Modem is not in test mode

                       MISCELLANEOUS TECHNICAL NOTE

  This card is intended for use in the CMN-16 rack-mount system. The bus
  is used only for supplying power for the card. All other card functions
  are accessed through the serial ports.