1-31
Cisco ONS 15454 Procedure Guide, R4.0
March 2003
Chapter 1 Install the Shelf and Backplane Cable
NTP-A119 Install the Alarm Expansion Panel
NTP-A119 Install the Alarm Expansion Panel
Note The AIC-I card provides direct alarm contacts (external alarm inputs and external control outputs). In
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.
Step 1 Remove the two backplane screws. Replace the two screws with standoffs. Insert the longer standoff on
the left, and the shorter standoff on the right (Figure 1-12 on page 1-32).
Purpose This procedure installs an Alarm Expansion Panel (AEP) onto the
15454-SA-ANSI shelf backplane. The AEP provides alarm contacts in
addition to the 16 provided by the AIC-I card. Typically, the AEP is
pre-installed when ordered with the ONS 15454; however, the AEP can be
ordered separately.
Tools/Equipment #2 Phillips screwdriver
Medium slot-head screwdriver
Small slot-head screwdriver
Wire wrapper
6-pair #29 AWG double-shielded cable
Standoffs (4)
Prerequisite Procedures DLP-A10 Remove the Lower Backplane Cover, page 1-15
Required/As Needed Required if you are terminating more than 16 alarm contacts (16 inputs +
0 outputs or 12 inputs or 4 outputs); the AIC-I card must be installed before
you can provision the alarm contacts enabled by the AEP.
Onsite/Remote Onsite
Security Level None
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