PARADYNE CORPORATION

7610 SNMP DSU

Card Type                   DSU
Chip Set                    Unidentified
I/O Options                 DTE/DCE ports (2), network interface via RJ-48,
                            power jack, DTE port
Wiring Type                 RJ-45 Unshielded twisted pair

                            RJ-48 T1
Maximum Data Rate           56Kbps (64Kbps full duplex or clear channel)
Data Modulation Protocol    DDS, LADS
Data Bus                    External

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                                CONNECTIONS

         Function            Label            Function            Label

  Power Jack                  CN1      DTE port (V.35              CN4
                                       connector)

  DTE/DCE port (25-pin        CN2      Network interface via       CN5
  serial connector)                    RJ-48 connector

  DTE/DCE port (25-pin        CN3
  serial connector)

                             DIAGNOSTIC LED(S)

   LED      Color      Status                    Condition

   OK       Green        On                   DSU power is on

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

   ALM       Red         On         DSU has detected an alarm condition

   ALM       Red         Off            DSU has not detected an alarm
                                                 condition

   TST     Yellow        On               DSU is executing a test

   TST         Yellow    Off            DSU is not executing a test

   DM       Green        On          Data is being transmitted/received

   DM          Green     Off            CMI codes are being received

   OOS       Red         On          DSU is receiving an out of service
                                           code from remote unit

   OOS       Red         Off       DSU is not receiving an out of service
                                           code from remote unit

   OOF       Red         On           DSU is detecting an out of frame
                                                 condition

   OOF       Red         Off        DSU is not detecting an out of frame
                                                 condition

   NS        Red         On             Carrier signal not detected

   NS        Red         Off              Carrier signal detected

   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