RAD DATA COMMUNICATIONS

CMN-CF6A (SMA)

Card Type         Modem (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 1           CN1     Serial data port 2           CN3

  Fiber optic SMA cable 1      CN2     Fiber optic SMA cable 2      CN4

                        USER CONFIGURABLE SETTINGS

                     Setting                        Label     Position

  Factory configured - do not alter                  JP1     Unidentified

  Factory configured - do not alter                  JP2     Unidentified

  RTS to CTS delay set to 2mS on modem 1            SW1/1        Off

  RTS to CTS delay set to 15mS on modem 1           SW1/1        On

  DCD forced high on modem 1                        SW1/2        On

  DCD follows DTR on modem 1                        SW1/2        Off

  RTS to CTS delay set to 2mS on modem 2            SW2/1        Off

  RTS to CTS delay set to 15mS on modem 2           SW2/1        On

  DCD forced high on modem 2                        SW2/2        On

  DCD follows DTR on modem 2                        SW2/2        Off

  Cable shield 1 connected to signal ground         SW3/1        On

  Cable shield 1 not connected to signal ground     SW3/1        Off

  Signal ground 1 not connected to chassis ground   SW3/2        Off

  Signal ground 1 connected to chassis ground       SW3/2        On

  Cable shield 2 connected to signal ground         SW4/1        On

  Cable shield 2 not connected to signal ground     SW4/1        Off

  Signal ground 2 not connected to chassis ground   SW4/2        Off

  Signal ground 2 connected to chassis ground       SW4/2        On

  CN1 is DCE                                         SW5         On

  CN1 is DTE                                         SW5         Off

  CN3 is DCE                                         SW6         On

  CN3 is DTE                                         SW6         Off

                             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

    DCD1         Yellow          On          Carrier signal detected on
                                                       line 1

    DCD1         Yellow         Off        Carrier signal not detected on
                                                       line 1

    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

    DCD1         Yellow          On          Carrier signal detected on
                                                       line 1

    DCD1         Yellow         Off        Carrier signal not detected on
                                                       line 1

                       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.