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7-44 Replacing modules in a common-equipment shelf
Procedure 7-16 (continued)
Replacing an NT7E05 OC-12 VTBM optical interface
Step
17
18
19
20
21
22
23
AccessNode P0904244 Issue 1.0
Action
If the automatic-in-service feature is set to on, and the circuit pack state
automatically changes to in-service (IS), skip to step 19. If the circuit pack
state is out-of-service (OOS), proceed to step 18.
Change the state of the OC-12 circuit pack to in-service:
eq oc12 <group>↵
chgstate is↵
where
< group >
group number of the OC-12 that was replaced: g1 or g2
The state changes to in-service (IS).
Change the state of the OC-12 facility to in-service (IS):
fa oc12 <group>↵
chgstate is↵
For unidirectional protection switching, change the state of the OC-12 facility
to in-service at the far-end NE.
What type of protection activity was performed before the card was replaced?
If before replacing the OC-12
a manual protection switch was performed
no protection switch was performed
From the OC-12 facility screen, display the detailed protection screen:
dtlprot↵
From the detailed protection screen, release the protection switch:
manual re <group>↵
y↵
where
<group>
is the OC-12 group from which service was switched (in
step 2): g1 or g2.
When a protection switch is released, the screen displays a period ( . ) in the
manual column.
Replace the shelf cover.
—end—
Then go to
step 21
step 23
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