Cisco ONS 15454 Manual page 86

DLP-G784 Configuring Threshold Values for OTDR Scan
Onsite/Remote
Security Level
Procedure
Step 1 In the node view, click Provisioning > WDM-ANS > OTDR > Side > Baseline Thresholds.
Step 2
From the OTDR Position drop-down list, select the port to be configured with threshold values.
Step 3 Equipment Insertion Loss for OTDR (Display only) Displays the sum of insertion loss caused by the
amplifiers and patchcords for OTDR port in each direction.
Step 4 Choose a sector from the Sector drop-down list.
The default Loss Threshold and Reflection Threshold values for the corresponding sector are displayed in
CTC. You can also configure these thresholds.
Table 10: Loss Threshold Value Range
Sector
Zone #1
Zone #2
Zone #3
Zone #4
Expert Mode
Auto Scan
Table 11: Reflection Threshold Value Range
Sector
Zone #1
Zone #2
Zone #3
Zone #4
Expert Mode
Note
The following alarms are raised when the scan results for Insertion Loss and Reflection Loss exceeds the
threshold values:
Turning Up a Node
86
Min (dB)
0.1
0.15
0.25
0.5
0.25
0.25
Min (dB)
2
2
2
2
2
The threshold values are used to compare events reported in the Base Scan column and Last Scan
column in the table available at Maintenance > DWDM > OTDR. If the difference exceeds the
threshold, alarms are raised.
Onsite or remote
Provisioning or higher
Max (dB) Default (dB)
5 0.1
5 0.15
5 0.25
5 0.5
5 0.25
5 0.25
Max (dB) Default (dB)
20 2
20 2
20 2
20 2
20 2
Turning Up a Node