Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 171

Chapter 5 Removal and Replacement Procedures
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The DC return is to remain isolated from the system frame and chassis (DC-I).
Note
Installing a PWR-950-DC Power Supply in a Cisco 7603 Router
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Follow these steps to install a DC-input power supply:
Step 1 Ensure that the system (earth) ground connection has been made. For ground connection installation
instructions, see the
Verify that power is off to the DC circuit connected to the DC PEM for the power supply you are
Step 2
installing.
Grasp the power supply handle with one hand. Place your other hand underneath the power supply, as
Step 3
shown in
supply is fully seated in the bay.
OL-4503-26
Installing a PWR-1900-DC Power Supply in a Cisco 7606 Router, page 5-51
Installing a PWR-2700-DC Power Supply in a Cisco 7606 Router, page 5-53
Installing a PWR-2700-DC Power Supply in a Cisco 7606-S Router, page 5-57
Installing a WS-CDC-2500W Power Supply in a Cisco 7609 Router, page 5-65
Installing a WS-CDC-2500W Power Supply in a Cisco 7613 Router, page 5-67
Installing a PWR-4000-DC Power Supply in a Cisco 7609 Router or a Cisco 7609-S Router, page
5-70
Installing a PWR-6000-DC Power Supply in a Cisco 7609 or a Cisco 7609-S Router, page 5-80
Installing a PWR-4000-DC Power Supply in a Cisco 7613 Router, page 5-91
Installing a PWR-6000-DC Power Supply in a Cisco 7613 Router, page 5-99
For information on installing a 4500W DC for 7606-S, see
Supply Configurations."
"System Ground Connection" section on page
Figure 5-48. Slide the power supply into the power supply bay. Make sure that the power
Removing and Replacing the Power Supply
Appendix E, "Cisco 7606-S DC Power
3-19.
Cisco 7600 Series Router Installation Guide
5-43