Cisco Systems 12406 series manual DC Power Subsystem, Dc Pdu, LED Label, Function, State, 1-42

Chapter 1 Product Overview

Power Subsystems

•Two LEDs on the faceplate to provide status information. Table 1-6summarizes the function of these indicators.

Table 1-6	AC-Input Power Supply LED indicators
LED Label	Function	State	Description
AC	Input	On	AC power source is present and is within
	power		specified limits.
		Off	Power source is not within specified
			limits.
DC	Output	On	Power supply is operating normally in a
	Power		power-on condition.
		Off	Power supply is operating in a fault
			condition and shutdown has occurred.

DC Power Subsystem

The DC power subsystem consists of the following system components:

•DC PDU (one)

•DC-input PEMs (one for nonredundant operation; two for redundant operation)

Caution To ensure that the chassis configuration complies with the required power budgets, use the on-line power calculator. Failure to properly verify the configuration may result in an unpredictable state if one of the power units fails. Contact your local sales representative for assistance.

DC PDU

Facility DC power connects to DC-powered routers though the connector blocks on the DC PDU. (See Figure 1-2and Figure 1-14.)

	Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
1-42	OL-11497-03