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Chapter 20 T1/E1 Link
Chapter contents
Introduction........................................................................................................................................................288
T1/E1 Link Activity Ports window......................................................................................................................290
Link (dsx1LineIndex) ....................................................................................................................................291
Type (dsx1LineType) ....................................................................................................................................291
Circuit ID (dsx1CircuitIdentifier) .................................................................................................................291
Line Status (dsx1LineStatus)................................................................................................................................292
Failure States .................................................................................................................................................292
Far end LOF or Yellow Alarm (Far End Alarm Failure) ..........................................................................292
Near end or far end sending AIS (Alarm Indication Signal (AIS) Failure) ................................................293
Near End LOF or Red Alarm (Loss of Frame Failure) .............................................................................293
Near End Loss of Signal (Loss of Signal Failure) .....................................................................................293
Near End is Looped (Loopback Pseudo-Failure) .....................................................................................293
E1 TS16 AIS (TS16 Alarm Indication Signal Failure) .............................................................................293
Far End Sending TS16 LOMF (Far End Loss of Multiframe Failure) .....................................................294
Near End Sending TS16 LOMF (Loss of MultiFrame Failure) ...............................................................294
Near End Detects a Test Code ................................................................................................................294
Any Line Status not Defined Here ..........................................................................................................294
Transmit Short ........................................................................................................................................294
Transmit Open .......................................................................................................................................294
Line Status—Configuration ................................................................................................................................295
Time Elapsed (dsx1TimeElapsed) .................................................................................................................295
Valid Intervals (dsx1ValidIntervals) ..............................................................................................................296
Receiver Quality ...........................................................................................................................................296
WAN Circuit Configuration—Modify................................................................................................................296
Line Interface Settings ...................................................................................................................................297
Circuit ID (dsx1CircuitIdentifier) ...........................................................................................................297
Line Type (dsx1LineType) ......................................................................................................................297
Line Coding (dsx1LineCoding) ...............................................................................................................297
Receive Equalizer (linkRxEqualizer) ........................................................................................................298
Receiver Sensitivity (linkSensitivityLevel) ................................................................................................298
Line Build Out (linkLineBuildOut) ........................................................................................................298
Yellow Alarm Format (linkYellowFormat) ...............................................................................................298
FDL (dsx1FDL) ......................................................................................................................................299
Test Settings .................................................................................................................................................299
Force Yellow Alarm (linkYellowForce) ....................................................................................................299
Loopback Configuration (dsx1LoopbackConfig) ....................................................................................299
Send Code (dsx1SendCode) ....................................................................................................................299
Error Injection (linkInjectError) ..............................................................................................................300
Yellow Alarm Severity () ..........................................................................................................................300