RAD DATA COMMUNICATIONS

CMN-C6A

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

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Telephone line 1 out         CN1     Telephone line 2 out         CN3

  Serial data port 1           CN2     Serial data port 2           CN4

                        USER CONFIGURABLE SETTINGS

                      Setting                        Label     Position

  CN2 is DCE                                          SW1        Off

  CN2 is DTE                                          SW1         On

  CN4 is DCE                                          SW2        Off

  CN4 is DTE                                          SW2         On

                            DIAGNOSTIC LED(S)

     LED        Color       Status                 Condition

     PWR        Green         On                  Power is on

     PWR        Green         Off                Power is off

    XMT1        Yellow        On         Modem 1 is transmitting data

    XMT1        Yellow        Off       Modem is 1 not transmitting data

    RCV1        Yellow        On           Modem 1 is receiving data

    RCV1        Yellow        Off        Modem 1 is not receiving data

    XMT2        Yellow        On         Modem 2 is transmitting data

    XMT2        Yellow        Off       Modem is 2 not transmitting data

    RCV2        Yellow        On           Modem 2 is receiving data

    RCV2        Yellow        Off        Modem 2 is not receiving data

                       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.