RAD DATA COMMUNICATIONS

CMN-C6SC

Card Type         Modem (synchronous)
Chipset           Unidentified
Maximum Data Rate 19.2Kbps x 2
Data Modulation   Unidentified
Data Bus          Proprietary

[Image]

                                CONNECTIONS

          Function            Label            Function             Label

  Serial data port             CN1     Telephone line out           CN2

                        USER CONFIGURABLE SETTINGS

                  Setting                     Label         Position

  DCD forced high                              JP1          Pins 1 & 2
                                                             closed

  DCD follows RTS                              JP1          Pins 2 & 3
                                                             closed

  RTS to CTS delay set to 8mS                  JP2          Pins 1 & 2
                                                             closed

  RTS to CTS delay set to 50mS                 JP2          Pins 2 & 3
                                                             closed

  CN1 is DCE                                   SW2             On

  CN1 is DTE                                   SW2             Off

        TRANSMIT CLOCK SOURCE SELECTION

  Setting      JP3/A       JP3/B      JP3/C

  Internal    Closed       Open        Open

  External     Open       Closed       Open

  Received     Open        Open       Closed

    LINE SPEED SELECTION

   Setting         SW2

    900bps     Position 9

   1200bps     Position 8

   1800bps     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

                       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.