Technical data

Field Replaceable Unit Removal and Replacement
Alarm Display Panel and Alarm Connector Panel
Chapter 1
51
Step 1. Carefully insert the Alarm Display Panel assembly into its chassis mounting slot, using the fiber
board tabs to align the display connector pins (Figure 1-11).
Figure 1-11Alarm Display Panel, Rear View
Step 2. Ensure that all connector pins are properly aligned with the 14-Slot Shelf receptacle. Using firm
pressure, push the Alarm Display Panel into the chassis connector until it is fully seated.
Step 3. Tighten the two retaining thumb screws to secure the Alarm Display Panel to the 14-Slot Shelf
chassis.
Removing and Replacing the Alarm Connector Panel
The Alarm Connector Panel is a hot-swap FRU, and is mounted in the upper, right front corner of the Shelf.
WARNING Electrical Shock Hazard to Personnel. Shut down all normal operation of the 14-Slot Shelf and
disable/disconnect all external power supply power domain circuit breakers in the OFF (O)
position before completing any of the following steps. Failure to disable/disconnect all power
supplied to the 14-Slot Shelf at the power source may result in personal injury.
CAUTION Electrostatic Discharge Hazard. Observe all ESD safety precautions while completing this
procedure. Failure to follow ESD safety precautions could result in damage to the 14-Slot Shelf
and equipment.
Removing the Alarm Connector Panel
To remove the Alarm Connector Panel, complete the following steps:
Step 1. Loosen the retaining thumb screws holding the Alarm Connector Panel to the 14-Slot Shelf chassis
(Figure 1-12).