
ADC KENTROX

T-SMART MODELS 77111 AND 77961 (VER. 2)

Card Type        T1 CSU
Chipset          Unidentified
T1 Transfer Rate 1.544Mbps
T1 Protocol      AMI, B8ZS
Frame Type       SF, ESF
Data Bus         Serial

[Image]

                                CONNECTIONS

         Function             Label           Function            Label

  Monitor receive              J1       Monitor transmit            J8
  equalization in jack                  monitor jack

  Monitor receive network      J2       DC power in/alarm           P1
  out jack                              signal out (see pinout
                                        below

  Serial control port          J3       T1 line out (network        P2
                                        interface)

  T1 line in (equipment        J4       Ground                      P3
  interface)

  Monitor receive monitor      J5       Local loopback test         S1
  jack                                  switch

  Monitor transmit network     J6       Alarm cut-off switch        S2
  in jack

  Monitor transmit             J7       Code generator switch       S3
  equalization out jack

                                 P1 PINOUT

         Function            Screw            Function             Screw

  +20V to +56V DC power        1       Chassis ground                4
  in

  Not used                     2       Alarm relay common            5

  -20V to -56V DC power        3       Alarm relay normally          6
  in                                   open contact

            Note:Do not use both P1 screw 4 and P3.

                        USER CONFIGURABLE SETTINGS

                   Setting                      Label        Position

     Power drawn from SC1 terminals             JB1           LOCAL

      Power drawn from T1 line                   JB1           LINE

     Alarm Indication Signal transmit          S5/4            Off
      delay set to 5 mS

      Alarm Indication Signal transmit          S5/4            On
      delay set to 1 second

     Control port uses 8 data bits             S5/7            Off

      Control port uses 7 data bits             S5/7            On

     Control port uses 1 stop bit              S5/8            Off

      Control port uses 2 stop bits             S5/8            On

            Note:Jumper block JB1 has the words LINE and LOCAL printed on
            the side. The word indicated should face towards the user.

                         CODE GENERATOR OPERATION

                Setting                                 S4

        Standard line loopback                      Position 0

         Kentrox line loopback                      Position 1

        Standard test loopback                      Position 2

         Kentrox test loopback                      Position 3

        Standard local loopback                     Position 4

        Kentrox local loopback                      Position 5

        Standard reset loopback                     Position 6

        Kentrox reset loopback                      Position 7

       Quasi-random test pattern                    Position 8

          1 in 8 test pattern                       Position 9

            Note:To generate the code indicated, switch S4 must be pushed
            for one-half second. To stop generating the code, push S4
            again.

                       CONTROL PORT SPEED SELECTION

         Setting               S5/1            S5/2             S5/3

           19.2Kbps             On              On               On

          9600bps              Off             On               On

           4800bps              On              Off              On

           2400bps              Off             Off              On

           1200bps              On              On              Off

            600bps              Off             On              Off

            300bps              On              Off             Off

                       CONTROL PORT PARITY SELECTION

           Setting                     S5/5                  S5/6

            No parity                  On                    N/A

            Odd parity                 Off                    On

            Even parity                Off                    Off

     LINE BUILD OUT SELECTION

  Setting       S6          S7

    0 dB        Off        Off

  -7.5 dB       On         Off

   -15 dB       Off         On

  -22.5 dB      On          On

                             DIAGNOSTIC LED(S)

     LED         Color         Status                 Condition

     LOC         Yellow          On             Local loopback test in
                                                      progress

     LOC         Yellow          Off          Local loopback test not in
                                                      progress

     ACO         Green           On         Alarm condition exists and S2
                                                  has been pressed

     ACO         Green           Off        S2 has not been pressed or no
                                               alarm condition exists

    SEND         Yellow          On          Test or loopback code being
                                            sent on indicated connection

    SEND         Yellow          Off          Test or loopback code not
                                               being sent on indicated
                                                     connection

     TI           Red            On            Indicated alarm is on T1
                                                      equipment

     TI           Red            Off        Indicated condition is not on
                                                    T1 equipment

     NI           Red            On            Indicated alarm is on T1
                                                  network interface

     NI           Red            Off        Indicated condition is not on
                                                T1 network interface

    DATA         Green           On          Valid data being received on
                                                indicated connection

    DATA         Green           Off         No valid data being received
                                               on indicated connection

    CODE         Yellow          On          Test or loopback code being
                                                received on indicated
                                                     connection

    CODE         Yellow          Off          Test or loopback code not
                                             being received on indicated
                                                     connection

     NET         Yellow          On            Network loopback test in
                                                      progress

     NET         Yellow          Off         Network loopback test not in
                                                      progress

   TA/FEL        Yellow          On          Remote CSU/DSU loopback test
                                              in progress or Set or Test
                                                  code transmitted

   TA/FEL        Yellow       Blinking       Remote CSU/DSU loopback test
                                                      verified

   TA/FEL        Yellow          Off         Remote CSU/DSU loopback test
                                              not in progress and Set or
                                              Test code not transmitted

     PWR         Green           On                  Power is on

     PWR          Red            On               Self-test failed

     PWR          N/A            Off                Power is off

     EER          Red            On            Error rate on indicated
                                            connection exceeds threshold

     EER          Red            Off           Error rate on indicated
                                              connection does not exceed
                                                      threshold

     OOF          Red            On             Signal is out of frame
                                             synchronization on indicated
                                                     connection

     OOF          Red            Off          Signal is not out of frame
                                             synchronization on indicated
                                                     connection

                         DIAGNOSTIC LED(S) (CON'T)

    LED         Color          Status                 Condition

    YEL         Yellow           On             Yellow Alarm condition
                                                detected on indicated
                                                     connection

    YEL         Yellow           Off          Yellow Alarm condition not
                                                detected on indicated
                                                     connection

     PD          Red             On           Fewer than 1 high bit in 8
                                                detected on indicated
                                                     connection

     PD          Red             Off          More than 1 high bit in 8
                                                detected on indicated
                                                     connection

     KA          Red             On         Keep-alive signal transmitted
                                               to T1 network interface

     KA          Red             Off            Keep-alive signal not
                                              transmitted to T1 network
                                                      interface

    LOS          Red             On            Loss Of Signal condition
                                                detected on indicated
                                                     connection

    LOS          Red             Off         Loss Of Signal condition not
                                                detected on indicated
                                                     connection

    AIS          Red             On            Alarm Indication Signal
                                              condition detected for one
                                                 second on indicated
                                                     connection

    AIS          Red             Off           Alarm Indication Signal
                                              condition not detected on
                                                indicated connection

    BPV          Red          Blinking      Bipolar Variation detected on
                                              indicated connection (does
                                               not count B8ZS coding)

    BPV          Red             Off            Bipolar Variation not
                                                detected on indicated
                                                     connection

