ADTRAN

DSU III ARC

Card Type                 DSU
Chip Set                  Unidentified
I/O Options               25-pin DTE ports, V.35 DTE port, dedicated
                          network port (RJ-48), power
Maximum Data Rate         64Kbps
Data Bus                  External

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  Dedicated network port       CN1      Power                       CN4
  (RJ-48)

  25-pin DTE port              CN2      Power switch                SW1

  V.35 DTE port                CN3

                             DIAGNOSTIC LED(S)

  LED         Color         Status                 Condition

   RS      Unidentified       On                RTS signal high

   RS      Unidentified       Off               RTS signal low

   CS      Unidentified       On                CTS signal high

   CS      Unidentified       Off               CTS signal low

   TD      Unidentified       On      Data is being transmitting from DTE

   TD      Unidentified       Off     Data is not being transmitting from
                                                      DTE

   RD      Unidentified       On      Data is being received from network

   RD      Unidentified       Off       Data is not being received from
                                                    network

   CD      Unidentified       On            Frame synchronization is
                                        established. Device is ready to
                                             transmit/receive data

   CD      Unidentified       Off         Frame synchronization is not
                                      established. Device is not ready to
                                             transmit/receive data

  ALM      Unidentified       On            Open loop, loss of frame
                                       synchronization, dial backup mode,
                                        or problem with dial backup line
                                      alarm condition detected on network

  ALM      Unidentified       Off           Open loop, loss of frame
                                       synchronization, dial backup mode,
                                        or problem with dial backup line
                                        alarm condition not detected on
                                                    network

  TST      Unidentified       On          Device is conducting a test

  TST      Unidentified       Off       Device is not conducting a test