PARADYNE CORPORATION

7110 T1 DSU/CSU

Card Type                 DSU/CSU
Chip Set                  Unidentified
I/O Options               DTE/DCE port (2 RS-232), network interface via
                          RJ-48 connector,

                          power jack, DTE port, monitor connector
Wiring Type               RJ-48 T1
Maximum Data Rate         56Kbps (64Kbps full duplex)
Data Bus                  External

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  Power Jack                  CN1      Network interface via       CN5
                                       RJ-48 connector

  DTE/DCE port (25-pin        CN2      Monitor connector -         CN6
  serial connector)                    line in

  DTE/DCE port (25-pin        CN3      Monitor connector -         CN7
  serial connector)                    line out

  DTE port (V.35              CN4
  connector)

                             DIAGNOSTIC LED(S)

   LED       Color       Status                   Condition

    OK       Green         On                DSU/CSU power is on

    OK          Green     Off         DSU/CSU power is off, performing a
                                       self test, or detecting a system
                                                   failure

   FAIL       Red          On         DSU/CSU is performing a self test,
                                        or detecting a system failure

   FAIL       Red         Off          DSU/CSU is not performing a self
                                     test, or detecting a system failure

   TST      Yellow         On            DSU/CSU is executing a test

   TST          Yellow    Off          DSU/CSU is not executing a test

   SIG      Yellow         On         A recoverable signal is detected on
                                                   network

   SIG      Yellow        Off        Network signal can not be recovered.
                                      A loss of signal condition exists

   OOF      Yellow         On        DSU/CSU is detecting an out of frame
                                                  condition

   OOF      Yellow        Off         DSU/CSU is not detecting an out of
                                               frame condition

   ALM      Yellow         On            DSU/CSU has detected an alarm
                                             condition on network

   ALM      Yellow        Off            DSU/CSU has detected an alarm
                                             condition on network

   EER      Yellow         On         Excessive error rate threshold has
                                           been exceeded on network

   EER      Yellow        Off         Excessive error rate threshold has
                                         not been exceeded on network

   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

   DTR       Green         On                 DTR signal is high

   DTR       Green        Off                 DTR signal is low