
PATTON ELECTRONICS COMPANY

2711

Card Type        T1 CSU/DSU
Chip Set         Unidentified
I/O Options      25-pin serial port (RS-232), power,

                 network interface via RJ-48
T1 Transfer Rate 1.544Mbps
T1 Protocol      AMI, B8ZS
Frame type       D4, ESF
Data Bus         External

[Image]

                                CONNECTIONS

         Function             Label            Function             Label

  DTE/DCE serial port          CN1     Power connector              CN3
  (25-pin connector)

  Network interface via        CN2
  RJ-48 connector

  Note: 2711 also available with a 34-pin male connector for V.35
  interface

                        USER CONFIGURABLE SETTINGS

                   Setting                       Label        Position

     ESF/B8ZS framing and coding enabled        SW1/4          Off

      D4/AMI framing and coding enabled          SW1/4           On

     64Kbps DSO rate                            SW1/5           On

      56Kbps DSO rate                            SW1/5          Off

     Transmit clock derived from receive        SW1/6          Off
      line signal

      Transmit clock generated internally        SW1/6           On

                                 DATA RATE

            n x56                 n x64       SW1/1      SW1/2     SW1/3

          Clear channel            Off         Off        Off
         (unstructured)

             112Kbps             128Kbps        On        Off       Off

             224Kbps             256Kbps       Off        On        Off

             336Kbps             384Kbps        On        On        Off

             448Kbps             512Kbps       Off        Off       On

             672Kbps             768Kbps        On        Off       On

             896Kbps            1.024Mbps      Off        On        On

           1.344Mbps           1.536Mbps       On        On        On

                                LINE BUILD

          Net build                   SW1/7                 SW1/8

              0dB                     Off                   Off

              -7.5dB                   On                    Off

              -15dB                    Off                    On

             -22.5dB                   On                     On

                             DIAGNOSTIC LED(S)

   LED       Color      Status                   Condition

   TXD       Green        On        DTE is transmitting data to CSU/DSU

   TXD       Green       Off           DTE is not transmitting data to
                                                  CSU/DSU

   RXD       Green        On         DTE is receiving data from CSU/DSU

   RXD       Green       Off       DTE is not receiving data from CSU/DSU

   LOS        Red         On           Loss of signal or loss of frame
                                       condition detected on network

   LOS        Red        Off           Loss of signal or loss of frame
                                     condition not detected on network

   ALM        Red         On        Alarm condition detected on network

   ALM        Red        Off           Alarm condition not detected on
                                                  network

   ERR        Red         On       Error second (ES) detected on received
                                         configuration information

   ERR        Red        Off          Error second (ES) not detected on
                                     received configuration information

   TST      Yellow        On        Device is conducting a loopback test

   TST      Yellow       Off         Device is not conducting a loopback
                                                    test

   PWR       Green        On                    Power is on

   PWR       Green       Off                    Power is off

