Installing the CiscoAS5800 3-5
Installing the Power Shelf in the Rack
Figure3-3 Removing and Replacing an Enhanced Shelf Power Supply
Step4 Grasp the power supply handle and pull the power supply halfway out of the bay. Then
with your other hand under the power supply to support it, pull the power supply
completely out of the bay.
Step5 Repeat Step 1 through Step 4 for the other power supply.
To install the power shelf in the rack , fo l low th e s e ste ps:
Step1 Verify that your path to the rack is unobstructed, and ensure that the rack is stabilized.
Step2 Position the power shelf in front of the rack. To pre vent injury, avoid sudden twists or
moves.
Step3 Lift and slide the power shelf into the rack, pushing it back until the front mounting
flanges meet the mounting strips or posts on both sides of the equipment rack.
Step4 Position the power shelf so that the holes in the mounting flanges are aligned to those in
the mounting strips, while keeping the mounting flanges flush against the posts or
mounting strips .
Step5 Insert the 10-32x 3/8-inch slotted screws (two screws per side at a minimum) through the
power shelf mounting flange and into the mounting strip. Tighten al l screws using a
1/4-inch flat blade screwdriver.
Step6 Replace the power supplies.
(a) Slide the power supply into the power supply bay. Push the power supply fully into
the power shelf until the front is flush against the power shelf frame. To prevent
damage to the backplane connector, do not jam the power supply into th e bay.
(b) Push the self-locking ejector lever upward until the metal spring-clip locks into
place (listen for the click). (See Figure3-2 or Figure 3-3.)
(c) Repeat Step a and Step b on the other power supply.
22152
AC GOOD
PWR FAIL
PWR GOOD
V OUT
+
-
AC GOOD
PWR FAIL
PWR GOOD
V OUT
+
-
AC POWER A
AC POWER B
1
2