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Chapter 4
Installation and Maintenance
Never install an AC power module and a DC power module in the same chassis.
Warning
Powering Down the Power Supply Unit and Disconnecting Input Power
The following sections describe how to remove power from an AC-input power supply and a DC-
input power supply:
•
•
Powering Down an AC-Input Power Supply
To power down an AC-input power supply to the SCE 2000 platform, complete the following
steps:
Make sure that the power supply unit is switched off before replacing it (NO hot-swap).
Warning
Note that one AC-input power supply can be running when the other power supply is being removed or
replaced.
Place the on/off switch on the AC-input power supply in the OFF ( ) position.
Step 1
Step 2
Observe that the corresponding Power LED on the front panel turns off.
Step 3
Remove the cable from the AC-input power receptacle
This completes the procedure for powering down an AC-input power supply unit on a SCE 2000
platform. Proceed to Removing the Power Supply Unit (on page 4-16).
OL-7826-05
Powering Down an AC-Input Power Supply (on page 4-15)
Powering Down a DC-Input Power Supply Unit and Removing the DC-Input Leads (on page
4-16)
Removing and Replacing a Power Supply Unit
Cisco SCE 2000 4/8xFE Installation and Configuration Guide
4-15
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Table of Contents
Troubleshooting
