Removing And Replacing A Dc Pdu - Cisco 12010 series Maintenance Manual

Removing and Replacing AC and DC Power Subsystem Components

Removing and Replacing a DC PDU

Note
Step 1
Step 2
Warning
Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
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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.
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.
This procedure describes how to replace a single PDU. The procedure is the same
if you are replacing both PDUs.
Set the power switch to the off (0) position.
Power off the circuit breaker assigned to the PDU you are removing.
To ensure that power remains off while you are performing this procedure, tape
the circuit breaker switch in the off (0) position.
Chapter 7 Maintaining the Router
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