13-18
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
September 2005
Chapter 13 Maintain the Node
DLP-G259 Manual or Force Switch the Node Timing Reference
Step 2 Complete the “DLP-G259 Manual or Force Switch the Node Timing Reference” task on page 13-18 as
needed.
Step 3 Complete the “DLP-G260 Clear a Manual or Force Switch on a Node Timing Reference” task on
page 13-19 as needed.
Stop. You have completed this procedure.
DLP-G259 Manual or Force Switch the Node Timing Reference
Step 1 In node view, click the Maintenance > Timing > Source tabs.
Step 2 From the Reference drop-down list for the desired Clock, choose the desired reference.
Step 3 From the Operation drop-down list for the desired Clock, choose one of the following options:
• Manual—This operation commands the node to switch to the reference you have selected if the
synchronization status message (SSM) quality of the reference is not lower than the current timing
reference.
• Force—This operation commands the node to switch to the reference you have selected, regardless
of the SSM quality (if the reference is valid).
Note For information about the Clear option, see the “DLP-G260 Clear a Manual or Force Switch
on a Node Timing Reference” task on page 13-19.
Step 4 Click Apply next to the timing source.
Step 5 Click Yes in the confirmation dialog box. If the selected timing reference is an acceptable valid
reference, the node switches to the selected timing reference. If the selected timing reference is invalid,
a warning dialog box appears. Click OK; the node will not switch to the new timing reference.
Step 6 Return to your originating procedure (NTP).
Purpose This task commands the node to switch to the timing reference you have
selected.
Tools/Equipment None
Prerequisite Procedures DLP-G46 Log into CTC, page 2-25
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Maintenance or higher
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