Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 159

Chapter 5 Removal and Replacement Procedures
Grasp the power supply handle with one hand and slide the power supply part of the way out of the
Step 10
chassis. Place your other hand underneath the power supply, as shown in
power supply completely out of the chassis.
Figure 5-34
If the power supply bay is to remain empty, install a blank power supply filler plate (Cisco part number
Step 11
700-03104-01) over the opening, and secure it with the captive installation screws.
Removing a PWR-6000-DC Power Supply from a Cisco 7609 or a Cisco 7609-S Router
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Voltage is present on the backplane when the system is operating. To reduce risk of an electric shock,
Warning
keep hands and fingers out of the power supply bays and backplane areas.
With the PWR-6000-DC power supply, you have the option of removing the Input Power Module (IPM)
Note
without disconnecting the DC-input wires and the ground wires. You can then replace your power supply
and insert the fully-wired IPM. Read through this procedure carefully before removing your power
supply.
Follow these steps to remove a DC-input power supply:
Verify that power is off to the DC circuit connected to the DC-input power supply you are removing.
Step 1
Turn the power switch to the Off (0) position on the power supply you are removing
Step 2
Turning the power switch off also disengages a pawl that unlocks the power supply from the chassis.
OL-4503-26
Handling a DC-Input Power Supply
I
0
INPU T OK
FAN OUTP UT
1
2 OK
3 FAIL
Removing and Replacing the Power Supply
Figure 5-34, and slide the
Cisco 7600 Series Router Installation Guide
(Figure 5-35).
5-31