Powering Down The Power Supply Unit And Disconnecting Input Power; How To Power Down An Ac-Input Power Supply; What To Do Next; How To Power Down A Dc-Input Power Supply Unit And Remove The Dc-Input Leads - Cisco SCE 1000 Installation And Configuration Manual

Powering Down the Power Supply Unit and Disconnecting Input Power

Table 4-7
Input
DC-input cable
DC-input circuit breaker
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:
•
•

How to Power Down an AC-Input Power Supply

To power down an AC-input power supply to the SCE 1000 platform, complete the following steps:
Make sure that the power supply unit is switched off before replacing it (NO hot-swap). Note that one
Note
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
Observe that the corresponding Power LED on the front panel turns off.
Step 2
Remove the cable from the AC-input power receptacle.
Step 3

What to Do Next

This completes the procedure for powering down an AC-input power supply unit on a SCE 1000
platform. Proceed to

How to Power Down a DC-Input Power Supply Unit and Remove the DC-Input Leads

To power down a DC-input power supply to the SCE 1000 platform, complete the following steps:
Before completing any of the following steps, and to prevent short-circuit or shock hazards, ensure that
Note
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.
Cisco SCE 1000 2xGBE Installation and Configuration Guide
4-18
SCE 1000 Power Supply Specifications (continued)
How to Power Down an AC-Input Power Supply, page 4-18
How to Power Down a DC-Input Power Supply Unit and Remove the DC-Input Leads, page 4-18
How to Remove the Power Supply Unit, page
Chapter 4 Installation and Maintenance
Specification
12 AWG or 2.5-mm copper installation wire with
hex or loop connectors
One Fast 10A for each power supply unit
4-19.
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