Cisco SGE2000 Configuration Guide - Page 56

What to Do Next, How to Power Down a DC-Input Power Supply Unit and Remove the DC-Input Leads

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Removing and Replacing a Power Supply Unit Chapter 4 Installation and Maintenance Note Make sure that the power supply unit is switched off before replacing it (NO hot-swap). Note that one AC-input power supply can be running when the other power supply is being removed or replaced. • What to Do Next SUMMARY STEPS 1. Place the on/off switch on the AC-input power supply in the OFF position. 2. Observe that the corresponding Power LED on the front panel turns off. 3. Remove the cable from the AC-input power receptacle DETAILED STEPS Step 1 Step 2 Step 3 Place the on/off switch on the AC-input power supply in the OFF position. Observe that the corresponding Power LED on the front panel turns off. Remove the cable from the AC-input power receptacle What to Do Next This completes the procedure for powering down an AC-input power supply unit on a SCE 2000 platform. Proceed to How to Remove the Power Supply Unit. 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 2000 platform, complete the following steps: Note 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 Note that the power to the relevant power supply unit should beoff, 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. SUMMARY STEPS 1. Place the on/off switch on the DC-input power supply in the OFF position. 2. Make sure that that power is removed from the DC circuit by turning off the circuit breaker or switch providing power to the DC-input power supply. 3. Observe that the corresponding Power LED on the front panel turns off. 4-18 Cisco SCE 2000 4xGBE Installation and Configuration Guide OL-7824-06

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4-18
Cisco SCE 2000 4xGBE Installation and Configuration Guide
OL-7824-06
Chapter 4
Installation and Maintenance
Removing and Replacing a Power Supply Unit
Note
Make sure that the power supply unit is switched off before replacing it (NO hot-swap). Note that one
AC-input power supply can be running when the other power supply is being removed or replaced.
•
What to Do Next
SUMMARY STEPS
1.
Place the on/off switch on the AC-input power supply in the OFF position.
2.
Observe that the corresponding Power LED on the front panel turns off.
3.
Remove the cable from the AC-input power receptacle
DETAILED STEPS
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.
Step 3
Remove the cable from the AC-input power receptacle
What to Do Next
This completes the procedure for powering down an AC-input power supply unit on a
SCE 2000
platform. Proceed to
How to Remove the Power Supply Unit
.
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 2000
platform, complete the following steps:
Note
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
Note that the power to the relevant power supply unit should beoff, 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.
SUMMARY STEPS
1.
Place the on/off switch on the DC-input power supply in the OFF position.
2.
Make sure that that power is removed from the DC circuit by turning off the circuit breaker or switch
providing power to the DC-input power supply.
3.
Observe that the corresponding Power LED on the front panel turns off.