10-3
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
September 2005
Chapter 10 Manage the Node
NTP-G77 Manage Automatic Power Control
• Min Expected Span Loss (dBm)—Shows the expected minimum span loss (in dBm). You can change
the minimum by entering a new value in the field.
• Meas Span Loss (dBm)—Shows the measured span loss (in dBm).
• Max Expected Span Loss (dBm)—Shows the expected maximum span loss (in dBm). You can
change the minimum by entering a new value in the field.
Note The minimum and maximum expected span loss values are calculated by
Cisco MetroPlanner and imported to the node when you perform the “NTP-G138 Import a
Cisco MetroPlanner Configuration File” task on page 3-82.
• Resolution (dBm)—Shows the resolution of the span loss measurement (in dBm):
–
+/– 1.5 dB for measured span losses between 0 and 25 dB
–
+/– 2.5 dB for measured span losses between 25 and 38 dB
Step 6 If the measured span loss is not between the minimum and maximum expected span loss, contact your
site planner for further instructions.
Stop. You have completed this procedure.
NTP-G77 Manage Automatic Power Control
Step 1 Complete the “DLP-G46 Log into CTC” task on page 2-25. If you are already logged in, continue with
Step 2.
Step 2 Complete the following tasks as necessary:
• DLP-G157 Disable Automatic Power Control, page 10-4
• DLP-G158 Enable Automatic Power Control, page 10-4
• DLP-G159 Refresh Automatic Power Control Information, page 10-5
Stop. You have completed this procedure.
Purpose This procedure manages the DWDM APC.
Tools/Equipment None
Prerequisite Procedures All procedures in the following chapters:
Chapter 3, “Turn Up a Node”
Chapter 6, “Turn Up Network”
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Superuser
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