Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 180

Removing and Replacing the Power Supply
Figure 5-56
Step 3 Tighten the power supply captive installation screws
Figure 5-57
Power supply captive installation screws must be tight to ensure protective grounding continuity.
Warning
In a system with dual power supplies, connect each power supply to a separate input line. In case of a
Caution
line failure, the second source will most likely still be available.
Verify that all connections to the DC PEM are secure.
Step 4
Remove the tape from the circuit breaker switch handle, and restore power by moving the circuit breaker
Step 5
switch handle to the On (|) position.
Cisco 7600 Series Router Installation Guide
5-52
Handling the Power Supply
Power Supply Captive Installation Screws
Status LEDs
Captive installation screws
Chapter 5 Removal and Replacement Procedures
(Figure 5-57).
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