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Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01
Chapter 7 Maintaining the Router
Removing and Replacing AC and DC Power Subsystem Components
•
INOK (green)—Indicates that the power supply is operating normally, and
the source DC voltage is within the nominal operating range of –48 to
–60 VDC. This indicator lights when the power switch is set to the on (1)
position. If there is a power supply failure, the INOK indicator shuts off.
•
DCOK (green)—Indicates that the power supply is operating normally, and is
within the nominal operating range. This indicator lights a few seconds after
the DCOK indicator lights. If there is a power supply failure, the INOK
indicator shuts off.
Removing and Replacing a DC PDU
Use the following procedure to remove and replace an existing DC PDU, or to
upgrade from a 2400 W PDU to the 2800 W PDU.
Note
This procedure describes how to replace a single PDU. The procedure is the same
if you are replacing both PDUs.
Step 1
Set the power switch to the off (0) position.
Step 2
Power off the circuit breaker assigned to the PDU you are removing.
Warning
To ensure that power remains off while you are performing this procedure, tape
the circuit breaker switch in the off (0) position.
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