Cisco ONS 15310-MA SDH, Руководство по процедурам

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Cisco ONS 15310-MA SDH Procedure Guide, Release 9.1 and Release 9.2
78-19416-01
Chapter 17 DLPs H100 to H199
DLP-H177 Manual or Force Switch the Node Timing Reference
Step 1
In node view, click the Maintenance > Timing > Source tabs. The Timing Source window appears.
Step 2 Click the Reference drop-down list for the desired Clock, and choose the desired reference.
Step 3
Click the Operation drop-down list for the desired Clock, and choose one of the following options:
• Manual —This operation commands the NE to switch to the reference you have selected, if the SSM
quality of the reference is not less than the quality of the reference that the node is currently running.
•
Force —This operation commands the NE to switch to the reference you have selected, regardless
of the SSM quality, if the reference is valid.
Step 4
Click Apply .
Step 5
Click Yes in the confirmation dialog box.
• If the selected timing reference is invalid, a warning dialog appears. Click OK ; the NE remains on
the original timing reference without performing the switch.
•
If the selected timing reference is an acceptable valid reference, the NE switches to the selected
timing reference.
Step 6 Return to your originating procedure (NTP).
DLP-H178 Clear a Manual or Force Switched Node Timing Reference
Step 1
In node view, click the Maintenance > Timing > Source tabs. The Timing Source window appears.
Step 2 Find the Clock reference that is currently set to Manual or Force in the Operation drop-down list.
Step 3
Click the Operation drop-down list for the clock and choose Clear .
Purpose This task commands the node to switch to the timing reference that you
have selected if the synchronization status message (SSM) quality of the
reference is not less than the quality of the reference that the node is
currently running.
Tools/Equipment None
Prerequisite Procedures DLP-H29 Log into CTC, page 16-43
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Maintenance or higher
Purpose This task clears a Manual or Force switch on a node timing reference and
reverts the timing reference to its provisioned reference.
Tools/Equipment None
Prerequisite Procedures DLP-H29 Log into CTC, page 16-43
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Maintenance or higher