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Chapter 4 Installation and Maintenance
Removing and Replacing a Power Supply Unit
SCE 2000 4xGBE Installation and Configuration Guide
OL-7824-02 4-19
Note
For AC-input power, we recommend powering the SCE 2000 platform from a 120 VAC, 15A receptacle
U.S. (240 VAC, 10A international) at the power source.
Removing and Replacing a Power Supply Unit
The procedures for removing and replacing the AC-input or DC-input power supply are explained
in the following sections:
• Powering Down the Power Supply Unit and Disconnecting Input Power (on page 4-19)
• Removing the Power Supply Unit (on page 4-21)
• Replacing the Power Supply Unit (on page 4-21)
• Reconnecting the Power (on page 4-22)
ESD Warning
Do not remove or install modules without using appropriate anti-static guard measures. The SCE 2000
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.
Warning
Never install an AC power module and a DC power module in the same chassis.
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 (on page 4-20)
• Powering Down a DC-Input Power Supply Unit and Removing the DC-Input Leads (on page
4-20)