RAD DATA COMMUNICATIONS

FCD-1X

Card Type                  T1 CSU/DSU
Chip Set                   Unidentified
I/O Options                AC power connector, V.35 DTE port (34-pin
                           connector),

                           9-pin serial port (RS-232), 25-pin serial port
                           (RS-530),

                           T1 network interface via 15-pin connector
Wiring Type                100ohm shielded twisted pair via 15-pin
                           connector
T1 Transfer Rate           1.544Mbps
T1 Protocol                AMI, B8ZS, B7ZS
Frame type                 D4,ESF
Data Bus                   External

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  AC power connector          CN1      DCE/DTE port (34-pin        CN4
                                       connector)

  9-pin serial port           CN2      Network interface via       CN5
                                       15-pin connector

  DCE/DTE port (25-pin        CN3      Power switch                SW2
  connector)

                        USER CONFIGURABLE SETTINGS

                  Setting                      Label         Position

  »   Debug self test mode disabled             JP2          Pins 1 & 2
                                                              closed

      Debug self test mode enabled              JP2          Pins 2 & 3
                                                              closed

  »   Default password enabled.                 JP3          Pins 2 & 3
      Password=FCD-1/X                                        closed

      User password enabled                     JP3          Pins 1 & 2
                                                              closed

  »   Watchdog timer enabled                    JP4          Pins 1 & 2
                                                              closed

      Watchdog timer disabled                   JP4          Pins 2 & 3
                                                              closed

  »   Signal ground is connected to the         JP12         Pins 2 & 3
      frame ground                                            closed

      Signal ground is not connected to         JP12         Pins 1 & 2
      the frame ground                                        closed

  »   Internal -5V enabled                      JP22         Pins 1 & 2
                                                              closed

      Grounded to pin 15 in the main link       JP22         Pins 2 & 3
      connector (CN5)                                         closed

  »   Allows connection of the line             JP25          Closed
      controlled by JP22 to pin 15 of main
      link connector (CN5) for powering
      external device

      Does not allow connection of the          JP25           Open
      line controlled by JP22 to pin 15 of
      main link connector (CN5) for
      powering external device

  »   Allows connection of internal +5V,        JP26          Closed
      via resistor, to pin 14 of main link
      connector (CN5) for powering
      external device

      Does not allow connection of              JP26           Open
      internal +5V, via resistor, to pin
      14 of main link connector (CN5) for
      powering external device

                        T1 TRANSMIT LEVEL SELECTION

               Net build                     Label          Position

  »                  0dB                      SW1               1

                    7.5dB                     SW1               2

                    15dB                      SW1               3

                             DIAGNOSTIC LED(S)

    LED          Color          Status               Condition

    RTS       Unidentified        On             RTS signal is high

    RTS       Unidentified        Off            RTS signal is low

    DCD       Unidentified        On             DCD signal is high

    DCD       Unidentified        Off            DCD signal is low

       TD     Unidentified        On         CSU/DSU is detecting pulses
                                                 from the local DTE

    TD        Unidentified        Off         CSU/DSU is not detecting
                                             pulses from the local DTE

    RD        Unidentified        On         CSU/DSU is receiving pulses
                                                    from network

    RD        Unidentified        Off         CSU/DSU is not receiving
                                                pulses from network

    RED       Unidentified        On         CSU/DSU is detecting a red
                                                  alarm condition

    RED       Unidentified        Off      CSU/DSU is not detecting a red
                                                  alarm condition

    YEL       Unidentified        On        CSU/DSU is detecting a yellow
                                                  alarm condition

    YEL       Unidentified        Off        CSU/DSU is not detecting a
                                             yellow alarm condition on

            TSUnidentified        On        CSU/DSU loopback test active

    TST       Unidentified        Off         CSU/DSU loopback test not
                                                      running