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Cisco ONS 15454 SDH Troubleshooting Guide, R5.0
July 2005
Chapter 1 General Troubleshooting
1.6.5 Performance Monitoring Counters and Threshold Crossing Alerts
• The parameter thlev is optional and indicates a threshold count value, which is the number of errors
that must be exceeded before the threshold is crossed.
• The parameter tmper is optional and is an accumulation time period for performance counters, with
possible values of 1-DAY, 1-HR, 1-MIN, 15-MIN, and RAW-DATA.
Note For a list of TL1 commands, refer to the Cisco ONS 15454 SONET and SDH TL1 Quick
Reference Guide.
Complete the following procedure to provision TCA thresholds in CTC.
Provision Optical TCA Thresholds
Step 1 In node view, click the Provisioning > Optics Thresholds tabs (Figure 1-44).
Figure 1-44 Provision Optical TCA Thresholds
Step 2
In the Types area, click TCA.
Step 3 In the Intervals area, click 15 Min.
Step 4 In the Laser Bias High (%) field, enter the threshold value, for example, 81.0 percent.
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