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Chapter 5 Troubleshooting and maintenance
Chapter contents
Introduction..........................................................................................................................................................61
Fault analysis.........................................................................................................................................................62
T1/E1 port test modes...........................................................................................................................................64
DSX1 payload loop (dsx1PayloadLoop) ..........................................................................................................64
DSX1 line loop (dsxLineLoop) .......................................................................................................................65
Periodic maintenance ............................................................................................................................................66
Calibration ......................................................................................................................................................66
Maintenance..........................................................................................................................................................66
Exporting the current Model 2616RC configuration ......................................................................................66
Removing the defective Model 2616RC ....................................................................................................69
Installing the replacement Model 2616RC ................................................................................................70
Importing a saved configuration ................................................................................................................70
Completing the installation .......................................................................................................................71