Figure 11-3 Removing An Air Intake Grille - Cisco BPX 8620 Installation And Configuration Manual

Installing an AC Power Supply
The AC Power Supply must be installed and removed as an integral unit. There may be one or two AC
Power Supplies depending on node configuration. They are housed in the Power Supply Tray.
To install an AC Power Supply in the Power Supply Tray, use the following procedure:
Install the Power Supply Tray in a rack. For more information, see the Installing an AC Power Supply
Step 1
Tray section.
Set the circuit breakers at the rear of the Power Supply Tray to OFF.
Step 2
Note
If not already removed, remove the Power Supply Tray front Air Intake Grille. Locate the small access
Step 3
hole in the top, center of the front Air Intake Grille for the Power Supply Tray as shown in Figure 11-7.
Figure 11-7 Removing an Air Intake Grille
Step 4 Insert a small slotted blade screwdriver (0.20/0.25 inch blade width) into the access hole until it stops,
approximately 1 inch (2.5 cm).
Step 5 Carefully rotate the screwdriver approximately a quarter turn in either direction. The top of the Air
Intake Grille should spring out.
Loosen the captive screw in the center of the power supply retainer and rotate the hinged retainer frame
Step 6
down as shown in Figure 11-8.
Cisco BPX 8600 Series Installation and Configuration
11-8
When replacing an AC power supply, the circuit breaker at the rear of the Power Supply Tray
may be left ON as the power supplies are hot pluggable.
Power
supply
Latch
Access
hole
Released
air intake
grill
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
Chapter 11 Installing the AC Shelf