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Chapter 5 Troubleshooting and maintenance
Chapter contents
Introduction..........................................................................................................................................................71
Fault analysis.........................................................................................................................................................72
Basic iDSL and T1/E1 test modes .........................................................................................................................74
iDSL port test modes ......................................................................................................................................74
Local loop .................................................................................................................................................74
Remote loop ..............................................................................................................................................75
Line Loop .................................................................................................................................................76
T1/E1 port test modes ....................................................................................................................................77
DSX1 payload loop (dsx1PayloadLoop) ....................................................................................................77
DSX1 line loop (dsxLineLoop) ..................................................................................................................78
Periodic maintenance ............................................................................................................................................78
Calibration ......................................................................................................................................................78
Maintenance..........................................................................................................................................................79
Replacing the Model 3196RC .........................................................................................................................79
Exporting the current Model 3196RC configuration ................................................................................79
Removing the defective Model 3196RC ....................................................................................................82
Installing the replacement Model 3196RC ................................................................................................83
Importing a saved configuration ................................................................................................................83
Completing the installation .......................................................................................................................84