Cisco ONS 15454 Install page 14

Install the shelf and backplane cable

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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

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