81
Chapter 5
Troubleshooting and maintenance
Chapter contents
Introduction
..........................................................................................................................................................82
Troubleshooting during initial deployment
...........................................................................................................82
General fault analysis
.............................................................................................................................................83
Matrix Switch test tools
.........................................................................................................................................86
Loopback test modes for the STM-1 port
.......................................................................................................86
Facility Loop [sonetFacilityLoop(1)]
.........................................................................................................87
Terminal loop [sonetTerminalLoop(2)]
....................................................................................................88
Other Loop [sonetOtherLoop(3)]
.............................................................................................................90
SDH section trace and path trace
....................................................................................................................90
Sections and paths
.....................................................................................................................................91
Section trace
..............................................................................................................................................91
Path trace
..................................................................................................................................................92
Number of paths per frame
.......................................................................................................................93
Periodic maintenance
............................................................................................................................................94
Calibration
......................................................................................................................................................94
Maintenance
..........................................................................................................................................................94
Replacing the Model 6511RC
.........................................................................................................................94
Exporting the current Model 6511RC configuration
................................................................................94
Removing the defective Model 6511RC
....................................................................................................97
Installing the replacement Model 6511RC
................................................................................................98
Importing a saved configuration
................................................................................................................98
Completing the installation
.......................................................................................................................99