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