60
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