Cisco ONS 15454 Series, Procedure Manual

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20-13
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 20 DLPs A300 to A399
DLP-A322 Manual or Force Switch the Node Timing Reference
DLP-A322 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
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).
For information about the Clear option, see the “DLP-A323 Clear a Manual or Force Switch on a
Node Timing Reference” task on page 20-13 .
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.
Step 6
If the selected timing reference is invalid, a warning dialog box appears. Click OK ; the node does not
revert to the normal timing reference.
Step 7 Return to your originating procedure (NTP).
DLP-A323 Clear a Manual or Force Switch on a Node Timing Reference
Step 1
In node view, click the Maintenance > Timing > Source tabs.
Purpose This task commands the node to switch to the timing reference you have
selected A Manual switch switches the reference if the synchronization
status message (SSM) quality of the requested reference is not less than
the current reference. A Force switch switches the reference regardless
of SSM quality.
Tools/Equipment None
Prerequisite Procedures DLP-A60 Log into CTC, page 17-66
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-A60 Log into CTC, page 17-66
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Maintenance or higher