5-3
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Removing an AC-Input Power Supply
This section covers the AC-input power supply removal procedure for the following AC power supplies
and Cisco
7600 series routers:
• 950 W AC and 1400 W AC power supplies for the Cisco 7603 router
• 2700 W AC power supply for the Cisco 7604 route
• 1900 W AC power supply for the Cisco 7606 router
• 2700 W AC power supply for the Cisco 7606 router
• 2700 W AC power supply for the Cisco 7606-S router
• 3000 W AC and 4000 W AC power supplies for the Cisco 7609 and Cisco 7613 routers
• 4000 W AC power supply for the Cisco 7609-S router
• 6000 W AC power supply for the Cisco 7609, Cisco 7609-S, and Cisco 7613 routers
Warning
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution
when servicing.
Note In systems with redundant power supplies, you can replace the faulty supply while the system is
operating.
Note This procedure covers the removal of the power supply only. For information on removing the power
entry module (PEM), see the “Removing and Replacing the PEM” section on page 5-112.
Follow these steps to remove a power supply:
Step 1 Turn the power switch to the Off (0) position on the power supply or PEM for the power supply you are
removing.
Note Figure 5-1 shows the location of the AC-input PEMs on the Cisco 7603 router. The location of
the PEMs is the same for AC and DC PEMs on the Cisco 7603 router and Cisco 7606 router.
Note If you are planning on installing a PWR-2700-AC power supply in a Cisco 7606 router, you must remove
any PEMs and install a blank PEM filler plate. See Removing and Replacing the PEM, page 5-112.
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