
PARADYNE CORPORATION

COMSPHERE DSU 3510

Card Type                   T1 DSU
Chip Set                    Unidentified
I/O Options                 Serial port, network interface via RJ-48, power
                            connector, DTE ports (2)
Wiring Type                 T1 via RJ-48 connector
Maximum Data Rate           56Kbps (64Kbps clear channel)
Data Modulation Protocol    DDS
Data Bus                    External

[Image]

                                CONNECTIONS

        Function            Label             Function            Label

  Power connector            CN1      DTE port (V.35               CN3
                                      connector)

  Network interface via      CN2      DTE port (25-pin serial      CN4
  RJ-48 connector                     connector)

                        USER CONFIGURABLE SETTINGS

                  Setting                      Label          Position

     Circuit assurance function disabled       S1/3             On

      Circuit assurance function enabled        S1/3            Off

     DSR lead normal during testing            S1/4            Off

      DSR lead off during testing               S1/4             On

     Elastic store function disabled           S1/5             On

      Elastic store function enabled            S1/5            Off

     Remote digital loopback functions         S1/6            Off
      enabled

      Remote digital loopback function          S1/6             On
      disabled

     Streaming terminal function               S2/5             On
      disabled

      Streaming terminal function enabled       S2/5            Off

     System status disabled                    S2/6             On

      System status enabled                     S2/6            Off

     Faceplate switches enabled                S3/1             On

      Faceplate switches disabled               S3/1            Off

     Switched control of RTS lead              S3/2             On
      enabled

      Continuous control of RTS lead            S3/2            Off
      enabled

     LL testing through 25-pin serial          S3/3            Off
      connector disabled

      LL testing through 25-pin serial          S3/3             On
      connector enabled

     LL testing through V.35 DTE               S3/4            Off
      connector disabled

      LL testing through V.35 DTE               S3/4             On
      connector enabled

     64.0Kbps CC scrambler function            S3/5             On
      disabled

      64.0Kbps CC scrambler function            S3/5            Off
      enabled

     25-pin serial port enabled                S3/6            Off

      V.35 DTE port enabled                     S3/6             On

     Separate signal and frame grounds         S5/1            Off

      Connects signal ground to frame           S5/1             On
      ground

     Test mode indication disabled             S5/2            Off

      Test mode indication enabled on pin       S5/2             On
      25 of 25-pin serial port

     Test mode indication disabled             S5/3            Off

      Test mode indication enabled on pin       S5/3             On
      NN of V.35 DTE port

     Factory configured - do not alter         S5/4            Off

     DSR forced high disabled                  S5/5            Off

      DSR forced high enabled                   S5/5             On

     Diagnostic message clamping               S5/6             On
      disabled

      Diagnostic message clamping enabled       S5/6            Off

                            DATA RATE SELECTION

          Setting             S2/1        S2/2        S2/3        S2/4

        2.4Kbps (+6dBm)        Off         On          On          On

        4.8Kbps (+6dBm)        Off         On         Off          On

       9.6Kbps (0dBm)         Off         On          On          Off

         19.2 (-10dBm)         On          On          On          On

          19.2 (0dBm)          On          Off         On          On

         19.2 (+6dBm)          Off         On         Off          Off

       38.4Kbps (+6dBm)        On          On         Off          On

       56.0Kbps (+6dBm)        On          On         Off          Off

       64.0Kbps (+6dBm)        On          Off         On          Off

        64.0Kbps (+6dBm)       On          On          On          Off
             LADS

                          TIMING SOURCE SELECTION

            Setting                     S1/1                 S1/2

         Digital network                On                   On

             LADS slave                  On                   Off

           LADS internal                Off                   On

           LADS external                Off                   Off

                         NETWORK ADDRESS SELECTION

     Setting        S4/1      S4/2     S4/3     S4/4     S4/5      S4/6

           1         On        On       On       On       On        Off

           2         On        On       On       On       Off       On

           3         On        On       On       On       Off       Off

           4         On        On       On       Off      On        On

           5         On        On       On       Off      On        Off

          59         Off      Off      Off       On       Off       Off

          60         Off      Off      Off       Off      On        On

          61         Off      Off      Off       Off      On        Off

          62         Off      Off      Off       Off      Off       On

          63         Off      Off      Off       Off      Off       Off

         64         On        On       On       On       On        On

                                   Note:

  A total of 64 address settings are available. The switches are a binary
  representation of the decimal memory addresses. S4/1 is the Most
  Significant Bit and switch S4/6 is the Least Significant Bit. Default
  setting 64 is out of sequence.

                             DIAGNOSTIC LED(S)

    LED       Color        Status                  Condition

    OK        Green          On                    DSU is on

    OK            Green      Off        DSU is off or detecting a system
                                                    failure

   OS/NS       Red         Blinking      Out-of-service or out-of -frame
                            slow         messages received from network

   OS/NS       Red         Blinking      DSU not receiving signals from
                            fast                    network

    TST       Yellow         On             DSU is executing a test

    TST           Yellow     Off          DSU is not executing a test

    TST       Yellow      Blinking     DSU is setting up or taking down a
                                                      test

    REM       Yellow         On        Remote DSU or digital network test
                                                request received

    REM           Yellow     Off       Remote DSU or digital network test
                                              request not received

   PASS       Green          On           Device test completed without
                                                    failure

   PASS       Green          Off           Device test not completed

   F/S/D       Red           On          Device test unsuccessful or DSU
                                               has been disabled

   F/S/D       Red        Blinking     Streaming terminal alarm condition
                                                     exists

   F/S/D       Red           Off              Failure not detected

    TP        Yellow         On          Test pattern circuit is active.
                                        Press the TP pushbutton switch to
                                         generate a local test pattern

    TP        Yellow         Off           Test pattern circuit is not
                                                    active.

    LL        Yellow         On          DSU is in local loopback. Press
                                           the LL pushbutton switch to
                                         initiate a local loopback test

    LL        Yellow         Off          DSU is not in local loopback

    DL        Yellow         On            DSU is performing a digital
                                          loopback or channel loopback.
                                        Press the DL pushbutton switch to
                                        initiate digital loopback test.

    DL        Yellow         Off         DSU is not performing a digital
                                                 loopback test

    RL        Yellow         On         Remote digital loopback has been
                                       requested of the remote DSU. Press
                                           the RL pushbutton switch to
                                       request a digital loopback test at
                                                the remote end.

    RL        Yellow         Off         Remote digital loopback has not
                                       been requested of the remote DSU.

    TXD       Green          On         Receiving all zeros from the DTE

    TXD       Green          Off        Receiving all ones from the DTE

    TXD       Green       Blinking         Data is being transferred

    RXD       Green          On          Transmitting all zeros from the
                                                      DTE

    RXD       Green          Off       Transmitting all ones from the DTE

    RXD       Green       Blinking         Data is being transferred

    RTS       Green          On                RTS signal is high

    RTS       Green          Off               RTS signal is low

    CTS       Green          On                CTS signal is high

    CTS       Green          Off               CTS signal is low

    DSR       Green          On                DSR signal is high

    DSR       Green          Off               DSR signal is low

    LSD       Green          On                LSD signal is high

    LSD       Green          Off               LSD signal is low

    9.6       Green       Blinking      Data rate at 2.4Kbps or 4.8Kbps

    9.6       Green          On               Data rate at 9.6Kbps

   56/64      Green       Blinking     Data rate at 19.2Kbps or 38.4Kbps

   56/64      Green          On        Data rate at 56.0Kbps or 64.0Kbps

