
RAD DATA COMMUNICATIONS

CMN-CF6A (FC)

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           CN4

  Fiber optic FC transmit      CN2     Fiber optic FC transmit      CN5
  cable 1                              cable 2

  Fiber optic FC receive       CN3     Fiber optic FC receive       CN6
  cable 1                              cable 2

                        USER CONFIGURABLE SETTINGS

                      Setting                        Label     Position

  CN3 is DCE                                          SW6         On

  CN3 is DTE                                          SW6        Off

  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

                    USER CONFIGURABLE SETTINGS (CON'T)

                      Setting                        Label     Position

  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.

