Cisco Systems SCE 2000 4xGBE manual Reconnecting DC-Input Power Supply Unit

Chapter 4 Installation and Maintenance

Removing and Replacing a Power Supply Unit

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.

15 A branch circuit protection is recommended.

Step 2 Plug the AC power supply cable into the AC power source. Step 3 Turn the on/off switch to the on (⏐) position.

Step 4 Look at the IN and OK LEDs on the power supply unit and the corresponding Power LED on the front panel. If the new AC-input power supply unit is operating properly, these LEDs will be glowing green.

Step 5 Ensure that the power supply is properly aligned and the installation screw is tightened.

This completes the steps for reconnecting the AC-input power supply to the SCE 2000 platform.

Reconnecting DC-Input Power Supply Unit

The following procedures explain how to reconnect a DC-input power to the SCE 2000 platform.

Warning Before completing any of the following steps, and to prevent short-circuit or shock hazards, ensure that power is removed from the DC circuit. To ensure that all power to the power supply unit is OFF, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position.

Note that the power to the relevant power supply unit should be off, not necessarily all power to the SCE 2000 platform. One DC-input power supply can be running when the other power supply is being removed or replaced.

Warning Wiring should be done by a professional in accordance with state and local electrical codes.

To reconnect the DC-input power to the SCE 2000 platform, complete the following steps:

Step 1 Ensure that the DC power line input leads are disconnected from the power source.

Step 2 Using the number 2 Phillips screwdriver, remove the protective plate from the terminal block.

SCE 2000 4xGBE Installation and Configuration Guide

OL-7824-02 4-23