Procedure; Replacing An Nt4K56 Transport Interface Card - Nortel SONET AccessNode User Manual

7-24 Replacing modules in a common-equipment shelf

Procedure 7-11

Replacing an NT4K56 transport interface card

Use this procedure to replace a transport interface card (TIC) in an access
bandwidth manager (ABM) shelf.
Action
Step
1
2
3
4
5
6
AccessNode P0904244 Issue 1.0
Action
If replacing
a primary or secondary in-service TIC
a failed or out-of-service TIC
From the network element status screen, display the equipment screen for
the TIC being replaced:
eq tic <plane>↵
where
<plane> is the affected plane: a or b.
The TIC equipment screen appears.
If replacing
a primary in-service TIC
a secondary in-service TIC
Switch service from the primary TIC to the secondary TIC:
switch↵
y↵
To prevent alarms from being raised when the circuit pack is removed,
change the state of the TIC to out-of-service (OOS):
chgstate oos↵
The system prompts for confirmation of the state change.
Confirm the state change:
y↵
The state changes to OOS.
Remove the ABM shelf cover as shown in Chapter 3, "Removing covers and
grilles."
Pull the circuit pack ejector latches to remove the circuit pack from its slot as
shown in Figure 7-7.
—continued—
Then go to
step 1
step 5
Then go to
step 2
step 3