9-6
Cisco SCE8000 GBE Installation and Configuration Guide
OL-19897-02
Chapter 9 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Installing an AC-Input Power Supply
Warning
This product requires short-circuit (over current) protection, to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.
Step 1 Ensure that the system (earth) ground connection has been made. For ground connection instructions,
see Connecting the System Ground, page 4-20
Step 2 Verify that the power switch is in the Off (0) position.
Step 3 Grasp both power supply handles, as shown in Figure 9-2. Slide the power supply into the power supply
bay. Make sure that the power supply is fully seated in the bay.
Step 4 Securely tighten the power supply captive installation screws. (See Figure 9-1.)
Warning
Power supply captive installation screws must be tight to ensure protective grounding continuity.
Step 5 Plug the power cord into the power supply.
Step 6 Connect the other end of the power cord to an AC-input power source.
Caution In a system with dual power supplies, connect each power supply to a separate input source. In case of
a power source failure, the second source will most likely still be available.
Step 7 Turn the switch on the power supply to the On (|) position.
Step 8 Verify power supply operation by checking the power supply LEDs.
The power supply LEDs should be in the following states:
• INPUT OK LED is green
• FAN OK LED is green
• OUTPUT FAIL LED is not lit
If the LEDs indicate a power problem, see Identifying Startup Problems, page 8-7 for troubleshooting
information.
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