Nortel SONET AccessNode Manual page 106

4-10 Preparing for system integration
Procedure 4-3 (continued)
Setting up end-to-end synchronization
Step
2
3
AccessNode Vol 3B 323-3001-221 Issue 2.0
Action
Lock out the OC-3/OC-12 circuit pack so that optical protection switching
does not occur when you set the synchronization options. Enter:
pr;dtlprot <oc-n> ↵
where
<oc-n> is the type of optical carrier: oc3 or oc12
The OC-3/OC-12 Protection screen appears
lockout op ↵
Work/Prot ↵
Unit ↵
The following message appears:
This lockout of Protection command may affect service. The
protection WILL be blocked in the ENTIRE ring if any LP-R
switch is active ANYWHERE on the ring INCLUDING the
affected span.
Please confirm ("Yes" or "No")
Confirmation of the lockout is requested.
y ↵
An asterisk(*) appears in the Lockout tP field for the G1 circuit pack.
Set the shelf clock source to linetimed mode by entering:
eq sh ↵
The Shelf Equipment screen appears.
Enter:
edit ↵
The Edit Shelf menu appears.
Enter:
clocksrc linetimed ↵
A confirmation is requested.
Enter:
y ↵
The Clock Source field changes to linetimed.
—continued—