PARADYNE CORPORATION

COMSPHERE DSU 3610

Card Type                   DSU
Chip Set                    Unidentified
I/O Options                 RJ-11 CC/DC out, Network interface via RJ-48
                            connector (2), power jack, DTE ports (2)
Wiring Type                 T1 via RJ-48 connector
Maximum Data Rate           56Kbps (64Kbps full duplex or clear channel)
Data Modulation Protocol    DDS,LADS
Data Bus                    External

[Image]

                                CONNECTIONS

          Function             Label           Function            Label

  Power Jack                    CN1      RJ-11 CC/DC out            CN4

  Network interface via         CN2      DTE port (V.35             CN5
  RJ-48 connector                        connector)

  Network interface via         CN3      DTE port (25-pin           CN6
  RJ-48 connector (backup)               serial connector)

                        USER CONFIGURABLE SETTINGS

                  Setting                       Label         Position

  »   Permissive transmit output level of        S1/1            On
      -9dBm

      Programmable transmit output level         S1/1           Off
      between -12dBm and 0dBm

  »   Frame ground connected to signal           S1/2           Off
      ground through 100ohm resistor

      Frame ground connected to signal           S1/2            On
      ground

  »   Enables test mode indication on pin        S1/3            On
      25 of 25-pin serial port

      Disables test mode indication              S1/3           Off

  »   Enables test mode indication on pin        S1/4            On
      NN of V.35 DTE port

      Disables test mode indication              S1/4           Off

  Note: S1/3 and S1/4 are not always present

                             DIAGNOSTIC LED(S)

   LED       Color         Status                  Condition

    OK       Green           On                    DSU is on

    OK           Green    Blinking       DSU is receiving a message from
                                           NetWare Management System

    OK           Green      Off         DSU is off or detecting a system
                                                    failure

   ALM        Red         Blinking       Out-of-service or out-of -frame
                            slow         messages received from network

   ALM        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

   Dial      Yellow       Blinking        Call established in progress
                            fast

   Dial          Yellow   Blinking      Call established in standby mode
                            slow

   Dial          Yellow      On        Backup call established and active

   Dial          Yellow     Off               Call not established

   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

                       MISCELLANEOUS TECHNICAL NOTES

  For specific information regarding the LCD & it’s function keys; see
  owners manual.