
DIGITAL LINK CORPORATION

DL3200E

Card Type                  E3 DSU/CSU
Chip Set                   Unidentified
I/O Options                AC power connector, DC power and alarm relay
                           terminal block,

                           9-pin serial ports (2), DTE port via 25-pin V.35
                           connector,

                           DTE port via HSSI connector, monitor jack -
                           receive, monitor jack -send,

                           E3 network interface via BNC connectors (2),

                           External clock via BNC connector
E3 Transfer Rate           2.048Mbps
E3 Protocol                PLCP
E3 Line Coding             RZ, HDB3
Frame type                 G.751, G.703, G.823
Data Bus                   External

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  BNC external clock          CLK      DC power & alarm relay      CN6
  connector                            terminal block

  DTE port via HSSI           CN1      Monitor jack - send         CN7
  connector

  DTE port via 25-pin         CN2      Monitor jack - receive      CN8
  connector

  9-pin serial port 1         CN3      Fuse                        F1

  9-pin serial port 2         CN4      BNC E3 network              RCV
                                       interface - receive

  AC power connector          CN5      BNC E3 network              XMT
                                       interface - transmit

                       DIAGNOSTIC LEDS (DTE STATUS)

   LED         Color        Status                 Condition

   INS         Green          On            Module is in-service and
                                              functioning normally

   INS        Yellow          On       Module is functioning normally but
                                          is not generating any alarms

   INS          Red           On          A controller failure has been
                                                    detected

  NTST     Unidentified       On       Bidirectional DTE/Network loopback
                                              test is in progress

  NTST     Unidentified       Off          Module is not conducting a
                                       bidirectional DTE/Network loopback
                                                      test

   TD      Unidentified    Blinking     Data is being transmitted to the
                                                   E3 network

   TD      Unidentified       Off       Data is not being transmitted to
                                                 the E3 network

   RD      Unidentified    Blinking    Data is being received from the E3
                                                    network

   RD      Unidentified       Off        Data is not being received from
                                                 the E3 network

   RTS     Unidentified       On               RTS signal is high

   RTS     Unidentified       Off              RTS signal is low

   CTS     Unidentified       On               CTS signal is high

   CTS     Unidentified       Off              CTS signal is low

   DTR     Unidentified       On               DTR signal is high

   DTR     Unidentified       Off              DTR signal is low

                    DIAGNOSTIC LEDS (PCLP ALARM STATUS)

   RED     Unidentified     On          Out of frame (OOF) conditions
                                      detected on received PLCP signal

   RED     Unidentified     Off       Out of frame (OOF) conditions not
                                      detected on received PLCP signal

   YEL     Unidentified     On       Receiving unit in the SMDS fabric is
                                                out of frame

   YEL     Unidentified     Off      Receiving unit in the SMDS fabric is
                                              not out of frame

   PAR     Unidentified     On      BIP8 parity errors have been detected
                                             in the receive PCLP

   PAR     Unidentified     Off        BIP8 parity errors have not been
                                        detected in the receive PCLP

                    DIAGNOSTIC LEDS (E3 NETWORK STATUS)

   EINS          Green            On          Module is in-service and
                                                functioning normally

   EINS         Yellow            On            Module is functioning
                                                 normally but is not
                                               generating any alarms

   EINS           Red             On          A module failure has been
                                                      detected

   ALM       Unidentified         On         DSU/CSU is in alarm state

   ALM       Unidentified        Off        DSU/CSU is not in alarm state

   OOF       Unidentified         On         Loss of signal (LOS) or out
                                                of frame (OOF) alarm
                                             condition has been detected
                                                on E3 receive signal

   OOF       Unidentified        Off         Loss of signal (LOS) or out
                                                of frame (OOF) alarm
                                               condition has not been
                                            detected on E3 receive signal

   YEL2      Unidentified         On          Out of frame alarm signal
                                            detected on far-end equipment

   YEL2      Unidentified        Off        Out of frame alarm signal not
                                            detected on far-end equipment

   AIS       Unidentified         On           Alarm indication signal
                                                detected on network

            AUnidentified        Off         Alarm indication signal not
                                                detected on network

   BPV       Unidentified      Blinking      Bipolar violations or HDB3
                                            errors have been detected on
                                                     E3 network

   BPV       Unidentified        Off         Bipolar violations or HDB3
                                            errors have not been detected
                                                   on E3 network

   PAR2      Unidentified         On        BIP8 parity errors have been
                                               detected on E3 network

   PAR2      Unidentified        Off         BIP8 parity errors have not
                                            been detected on E3 network

                    DIAGNOSTIC LEDS (PROCESSOR STATUS)

   RXL3     Unidentified     On        Unit is reassembling an L3_PDU

   RXL3     Unidentified    Off      Unit is not reassembling an L3_PDU

   RXL2     Unidentified     On      Unit is performing L2 processing on
                                               received signal

   RXL2     Unidentified    Off      Unit is not performing L2 processing
                                             on received signal

   TXL3     Unidentified     On       Unit is processing an L3 transmit
                                                   signal

   TXL3     Unidentified    Off     Unit is not processing an L3 transmit
                                                   signal

   TXL2     Unidentified     On       Unit is processing an L2 transmit
                                                   signal

   TXL2     Unidentified    Off     Unit is not processing an L2 transmit
                                                   signal

  Note: Pressing STAT and ENTER buttons simultaniously lights all LEDs to
  verify lamp functionality

