PARADYNE CORPORATION

ACCULINK 3364 NTU

Card Type                 Network Termination Unit
NIC Type                  E1
Chip Set                  Unidentified
I/O Options               BNC connectors (2), auxiliary port (RJ-48),
                          communication port (RJ-48), HDSL network
                          interface via RJ-48 connector, test jacks (6),
                          power jack,

                          15-pin G.703 DTE port, 25-pin DTE ports (4),
                          clock port
Maximum Transfer Rate     2.048Mbps
Data Bus                  External

[Image]

                                CONNECTIONS

         Function             Label           Function            Label

  Test jack - Lp1 HDSL         CN1      G.703 DTE port (15-pin     CN10
  line                                  connector)

  Test jack - Lp2 HDSL         CN2      HDSL network interface     CN11
  line                                  via RJ-48 connector

  Test jack - E1 line in       CN3      DTE port 3 (25-pin         CN12
                                        serial connector)

  Test jack - E1 line out      CN4      DTE port 4 (25-pin         CN13
                                        serial connector)

  Test jack - E1 monitor       CN5      15-pin clock port          CN14
  In

  Test jack - E1 monitor       CN6      DTE port 1 (25-pin         CN15
  out                                   serial connector)

  Power Jack                   CN7      DTE port 2 (25-pin         CN16
                                        serial connector)

  Auxiliary port               CN8      BNC connector -             RX
                                        receive

  Communication port           CN9      BNC connector -             TX
                                        transmit

                       USER CONFIGURABLE SETTINGS

                     Setting                        Label     Position

  Open shield connection established                 SW1         On

  Earth shield connection established                SW1        Off

  120ohm balanced network interface selected         SW2         In

  75ohm unbalanced network interface selected        SW2        Out

  Note: SW1 must be on when using the 120ohm interface

                             DIAGNOSTIC LED(S)

   LED       Color       Status                   Condition

    OK       Green         On                  NTU power is on

    OK          Green   Blinking         NTU is downloading software

    OK          Green      Off          NTU power is off or detecting a
                                                system failure

   FAIL     Yellow         On           Device error has been detected

   FAIL         Yellow     Off        Device error has not been detected
                                                  on network

   FAIL     Yellow      Blinking        NTU is conducting a self test

   TST      Yellow         On           NTU is executing a loopback or
                                                 pattern test

   TST          Yellow     Off           NTU is not executing a test

   SIG1      Green         On           NTU is receiving a recoverable
                                        signal from network on loop 1

   SIG1      Green         Off        NTU cannot recover the signal from
                                              network on loop 1

   SIG2      Green         On           NTU is receiving a recoverable
                                        signal from network on loop 2

   SIG2      Green         Off        NTU cannot recover the signal from
                                              network on loop 2

   OOF      Yellow         On         Out of frame condition detected on
                                                   network

   OOF          Yellow     Off        Out of frame condition not detected
                                                  on network

   ALM      Yellow         On        Alarm condition detected on network

   ALM          Yellow     Off          Alarm condition not detected on
                                                   network

                    G.703 DTE PORT AND DATA PORT LED(S)

  LED      Color      Status       G.703 DTE port          Data port

  LED1     Green        On          A recoverable      DTR signal is high
                                   signal is being
                                    received from
                                   G.703 DTE port

  LED1         Green   Off       NTU cannot recover    DTR signal is low
                                   the signal from
                                   G.703 DTE port

  LED2    Yellow        On          Out of frame       Receiving all ones
                                 condition detected      from the DTE
                                    on G.703 DTE
                                       signal

  LED2         Yellow  Off          Out of frame         Receiving all
                                    condition not      zeros from the DTE
                                  detected on G.703
                                     DTE signal

  LED2    Yellow     Blinking           N/A              Data is being
                                                          transferred

  LED3    Yellow        On         Alarm condition      Transmitting all
                                  detected on G.703    ones from the DTE
                                     DTE signal

  LED3         Yellow  Off         Alarm condition      Transmitting all
                                   not detected on     zeros from the DTE
                                  G.703 DTE signal

  LED3    Yellow     Blinking           N/A              Data is being
                                                          transferred

  LED4    Yellow        On         A pulse density     CTS signal is high
                                    violation was
                                    detected (and
                                    corrected) on
                                  G.703 DTE signal

  LED4         Yellow  Off         A pulse density     CTS signal is low
                                  violation was not
                                  detected on G.703
                                     DTE signal

  LED5    Yellow        On            A bipolar        RTS signal is high
                                    violation was
                                    detected (and
                                    corrected) on
                                  G.703 DTE signal

  LED5         Yellow  Off            A bipolar        RTS signal is low
                                  violation was not
                                  detected on G.703
                                     DTE signal