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Procedure: Remove The Lower Backplane Cover; Alarm Interface Panel; Figure 1-11 Removing The Lower Backplane Cover - Cisco 15454-TCC - Network Processor Card Operation Manual

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Backplane Access

Figure 1-11 Removing the lower backplane cover

Procedure: Remove the Lower Backplane Cover

Step 1
Unscrew the five retaining screws that hold the clear plastic cover in place.
Grasp the clear plastic cover at each side.
Step 2
Step 3
Gently pull the cover away from the backplane (shown in

1.5.2 Alarm Interface Panel

The AIP is located above the alarm pin field on the lower section of the backplane. The AIP provides
surge protection for the ONS 15454. It also provides an interface from the backplane to the fan-tray
assembly and LCD. The AIP plugs into the backplane using a 96-pin DIN connector and is held in place
with two retaining screws. The panel has a non-volatile memory chip that stores the unique node address
(MAC address).
Note
The 5-amp AIP card (73-7665-XX) is required when installing the new fan-tray assembly
(15454-FTA3). See the
The MAC address identifies the nodes that support circuits. It allows CTC to determine circuit sources,
destinations, and spans. The Timing Communication and Control+ (TCC+) cards in the ONS 15454 also
read the MAC address to store the node database. If the AIP fails, a MAC Fail alarm displays on the CTC
Alarms menu and/or the LCD display on the fan tray will go blank.
Note
A blown fuse on the AIP board can cause the LCD display to go blank.
Cisco ONS 15454 Installation and Operations Guide
1-16
Retaining
screws
"Install the Fan-Tray Assembly" procedure on page
Chapter 1
Hardware Installation
Figure
1-11).
1-27.
November 2001

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