Cisco ONS 15454 Install page 14

NTP- A119 Install the Alarm Expansion Panel
Onsite/Remote
Security Level
The AIC-I card provides direct alarm contacts (external alarm inputs and external control outputs). In
Note
the ANSI shelf, these AIC-I alarm contacts are routed through the backplane to wire-wrap pins
accessible from the back of the shelf. When you install an AEP, the direct AIC-I alarm contacts cannot
be used. Only the AEP alarm contacts can be used.
Remove the two backplane screws. Replace the two screws with standoffs. Insert the longer standoff on
Step 1
the left and the shorter standoff on the right
Figure 1-2
Longer
Attach the remaining two standoffs on either side of the backplane
Step 2
Position the AEP board over the standoffs.
Step 3
Cisco ONS 15454 Procedure Guide, Release 8.5.1
1-14
Onsite
None
Replace Backplane Screws with Standoffs
Shorter
Chapter 1 Install the Shelf and Backplane Cable
(Figure 1-2).
(Figure 1-3).
78-18537-01