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Removing and Replacing the AC Power Supply
Note
Removing and Replacing the AC Power Supply
This section describes how to remove and replace the AC power supply.
Note
The Cisco NCS 560-4 Router power supplies are hot-swappable. If you have installed redundant power supply
modules, you can replace a single power supply without interrupting power to the router.
Caution
To avoid erroneous failure messages, allow at least two minutes for the system to reinitialize after a power
supply has been removed or replaced.
Warning
When you install the unit, the ground connection must always be made first and disconnected last. Statement
1046
Warning
Before performing any of the following procedures, ensure that power is removed from the AC circuit.
Statement 1003
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement
1030
Warning
Installation of the equipment must comply with local and national electrical codes. Statement 1074
Follow these steps to remove and replace the AC power supply:
Before you begin
See the table below for OIR parameters for the power supply.
Table 12: Online Insertion and Removal - Parameters
OIR Module
PSU
Cisco NCS 560-4 Router Hardware Installation Guide
76
If you are installing a redundant AC power supply, ensure that each power supply is connected to
a separate power source in order to prevent power loss in the event of a power failure.
9
Ambient
40°C
Fan Speed
OIR Time
As per the fan
5 mins
algorithm
Installing the Cisco NCS 560-4 Router
Comments
Fans running at
normal speed
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