Nortel Meridian 1 Hardware Replacement Manual page 41

b. If the Core containing the cCNI Transition card is active, make the
other Core active:
SCPU
2 In LD 135, software disable the cCNI card:
DIS CNI c s p Disable the cCNI card, where:
3 At the front of the module, hardware disable the NT4N65 cCNI card:
set the faceplate switch to DIS.
4 At the back of the module, use a small-bladed screwdriver to remove
the screws, located on the top and bottom of the cCNI Transition cards.
Be careful not to drop the screws into the Pedestal. Refer to Figure 6
on page 43.
Note: cCNI Transition card replacement is more effective when all the
cards are removed as a group, the card changed, and the card group
replaced.
5 Remove the four screws that fasten the 3PE Termination Panel to its
mounting bracket. Refer to Figure 7 on page 44.
6 Move the 3PE Termination Panel carefully to the left and out of its
mounting bracket.
7 Press the card faceplate latches and unseat each card. (The cables
are part of the NT4N66 cCNI Transition card assembly.)
8 Remove the NT4N66 cCNI Transition cards, cables, and 3PE
Termination panel as an assembly.
9 Disconnect the cCNI Transition Card cable(s) to be replaced from the
3PE Termination panel.
Note: If you remove more than one cable, label the cables to correctly
reconnect them later.
10 Install the NT4N66 cCNI Transition cards, cables, and 3PE
Termination panel as an assembly.
Replacing equipment
Switch.Core (if necessary).
c = Core number (0 or 1)
s = Slot number (9 - 12)
p = Port number (0, 1)
This software disables both the cCNI card and its
associated cCNI Transition card.
Page 41 of 250
Hardware Replacement