ADTRAN

FSU 1200130L2

Card Type                   Frame Relay Unit, T1 DSU/CSU
Chip Set                    Unidentified
I/O Options                 25-pin DTE ports (2), 25-pin DCE port, Control
                            port via RJ-48 connector,

                            Dedicated network ports via RJ-48 connectors
                            (2), power
Maximum Data Rate           56Kbps
ISDN Rate                   64Kbps
ISDN Modulation Protocol    HDLC, PPP
Data Bus                    External

[Image]

                                CONNECTIONS

          Function             Label           Function            Label

  Network port 1 (RJ-48)        CN1     25-pin DTE port 1           CN5

  Network port 2 (RJ-48)        CN2     25-pin DTE port 2           CN6

  VT 100 terminal port          CN3     Power                       CN7
  (RJ-48)

  25-pin DCE port               CN4     Power switch                SW1

                             DIAGNOSTIC LED(S)

  LED         Color         Status                 Condition

  TD1      Unidentified       On        DTE port 1 is transmitting data

  TD1      Unidentified       Off     DTE port 1 is not transmitting data

  RD1      Unidentified       On         DTE port 1 is receiving data

  RD1      Unidentified       Off      DTE port 1 is not receiving data

  TD2      Unidentified       On        DTE port 2 is transmitting data

  TD2      Unidentified       Off     DTE port 2 is not transmitting data

  RD2      Unidentified       On         DTE port 2 is receiving data

  RD2      Unidentified       Off      DTE port 2 is not receiving data

  TDN      Unidentified       On          Data is being transmitted on
                                                 network port

  TDN      Unidentified       Off       Data is not being transmitted on
                                                 network port

  RDN      Unidentified       On       Data is being received on network
                                                     port

  RDN      Unidentified       Off        Data is not being received on
                                                 network port

  ALM      Unidentified       On        Unit is detecting an open loop,
                                       loss of synchronization, OOS/OOF,
                                         or loss of network frame relay
                                       signal alarm condition or unit is
                                                 in test mode

  ALM      Unidentified       Off       Alarm condition not detected on
                                      network. Unit not conducting a test