Powering Down The Power Supply Unit And Disconnecting Input Power; Powering Down An Ac-Input Power Supply - Cisco SCE 2000 4xGBE Installation And Configuration Manual

Chapter 4 Installation and Maintenance
Do not remove or install modules without using appropriate anti-static guard measures. The SCE 2000
ESD Warning
includes an anti-static wrist strap in the accessory kit. Attach the copper tape strap to an unpainted metal
surface on the chassis. You may leave the strap connected to the chassis when your have finished.
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 a power supply unit (NO hot-
Warning
swap).
Note that one AC-input power supply can be running when the other power supply is being removed or
replaced.
Step 1 Place the on/off switch on the AC-input power supply in the OFF ( ) position.
Step 2 Observe that the corresponding Power LED on the front panel turns off.
Remove the cable from the AC-input power receptacle
Step 3
This completes the procedure for powering down an AC-input power supply unit on a SCE 2000
platform. Proceed to
OL-7824-04
Powering Down an AC-Input Power Supply
•
• Powering Down a DC-Input Power Supply Unit and Removing the DC-Input Leads
page 4-16)
Removing the Power Supply Unit
Removing and Replacing a Power Supply Unit
(on page 4-15)
(on page 4-16).
Cisco SCE 2000 4xGBE Installation and Configuration Guide
(on
4-15