
434 Chapter 10 Testing, Troubleshooting, and Diagnostics
P0609330 2.0
Check short term alarms
1 Choose Diagnostics, Trunk Modules.
2 Choose a bus and then choose a module.
3 Choose
CSU Statistics, Alarm statistics, and click the ShortTerm alarms heading.
The display shows the short term alarms and the number of milliseconds (not necessarily
contiguous) that were active in the last minute.
Check Defects
1 Choose Diagnostics, Trunk Modules.
2 Choose a bus and then choose a module.
3 Choose
CSU Statistics, Alarm statistics, and click the Defects heading.
The display shows the first type of defect and the number of milliseconds (not necessarily
contiguous) the hardware reported in the last minute.
Reset all statistics
1 Choose Diagnostics, Trunk Modules.
2 Choose a bus and then choose a module.
3 Click the
CSU Statistics heading.
4 On the
Configuration menu, click Clear CSU statistics.
The system displays a message indicating that this will remove all of the statistics.
5 Select
OK to erase all the current statistics and begin collecting statistics again.
Testing the DDI Mux
Use loopback tests to check the DDI Mux data transfer capabilities. For loopback tests you must
generate a test pattern or data traffic and provide a means to monitor the data path. The module
provides two loopback tests:
• “DTE Loopback test” on page 435
• “DS30 Loopback test” on page 437
The following applies:
• activate one loopback at a time
• activation of a DTE loopback can be manual or automatic
• manual control over loopback state has priority over automatic
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