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Installing the Cisco NCS 4201
Removing and Replacing an AC Power Supply
This section describes how to remove and replace an AC power supply.
The Cisco NCS 4201 power supplies are hot-swappable. If you have installed redundant power supplies,
Note
you can replace a single power supply without interrupting power to the chassis.
To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power
Caution
supply has been removed or replaced.
When you install the unit, the ground connection must always be made first and disconnected last. Statement
Warning
1046
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Statement 1030
Installation of the equipment must comply with local and national electrical codes. Statement 1074
Warning
Note
Open and remove the door before performing this procedure. See
Removing and Replacing an AC Power Supply
Removing the Front Door
Cisco NCS 4201 Hardware Installation Guide
section.
23
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