ADTRAN

T1 CSU ACE

Card Type                 T1 CSU
Chip Set                  Unidentified
I/O Options               V.35 DTE port, test jacks (6) CPE interface via
                          RJ-48, power

                          T1 network interface via RJ-48
T1 Data Rate              1.544Mbps
Line Coding               AMI, B8ZS
Framing                   SF, ESF
Data Bus                  External

[Image]

                                CONNECTIONS

         Function           Label             Function            Label

  Test jack - monitors       CN1       Test jack - network out     CN6
  network signals

  Test jack - monitors       CN2       T1 network interface        CN7
  CPE signals                          (RJ-48)

  Test jack - CPE in         CN3       CPE interface (RJ-48)       CN8
  (BERT test)

  Test jack - CPE out        CN4       Power                       CN9
  (BERT test)

  Test jack - network in     CN5

                        USER CONFIGURABLE SETTINGS

                    Function                      Label      Position

  Loopback test initiated                         SW1           On

  Loopback test disabled                          SW1           Off

           LINE ATTENUATION

  Net build     SW2/1        SW2/2

     0dB          On          On

   -7.5dB         On          Off

    -15dB        Off          On

   -22.5dB       Off          Off

               CABLE LENGTH SELECTION

     Setting         S2/3        S2/4        S2/5

   0 - 133 feet       Off         Off         On

  134 - 266 feet      On          On          Off

  267 - 399 feet      Off         On          Off

  400 - 533 feet      On          Off         Off

  534 - 655 feet      Off         Off         Off

                             DIAGNOSTIC LED(S)

   LED         Color        Status                 Condition

   PWR      Unidentified      On                  Power is on

   PWR      Unidentified      Off                Power is off

   NLOS     Unidentified      On       Loss of signal condition detected
                                                  on network

   NLOS     Unidentified      Off         Loss of signal condition not
                                              detected on network

   ELOS     Unidentified      On       Loss of signal condition detected
                                                    on CPE

   ELOS     Unidentified      Off         Loss of signal condition not
                                                detected on CPE

    LB      Unidentified      On        Device is conducting a loopback
                                                     test

    LB      Unidentified      Off     Device is not conducting a loopback
                                                     test