Overview of the Cisco 12008
Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
1-14
Figure1-5 DC-Input Power Supply

Operating Modes of the Power Supplies

The AC-input and DC-input power supplies operate in either of two modes:

Standalone modeIn this configuration, only one power supply is installed in one of

the two available power supply bays. To remove or replace a single power supply, you

must first power down the system.

H10032INPUT0KOUTPUTFAILCOMNCNO
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CAUTION
THIS UNIT MAY HAVE MORE THAN ONE
POWER SUPPLY CONNECTION. ALL
CONNECTIONS NEED TO BE REMOVED
TO DE-ENERGIZE THE UNIT.
THIS UNIT TO BE INSTALLED
IN A RESTRICTED ACCESS AREA
IN ACCORDANCE WITH THE NEC OR THE
AUTHORITY HAVING JURISDICTION
Plastic safety shield
Carrying handle