Cisco Cisco Email Security Appliance C170 설치 가이드

This chapter provides maintenance information about the Cisco 380 and Cisco 680 series appliance, 
including how to replace the pre-installed hard disk drives.

This chapter includes the following sections:

The Cisco 380 and Cisco 680 series appliance ships with either two AC power supplies or two DC power 
supplies installed.

Each AC power supply provides 650 watt output power. Each DC power supply provides 930 watt output 
power. For additional information, see the 

The AC power supplies can use any of the power cables listed in 

. The DC power supplies use only one model of power cord, which is included with 

the power unit.

You cannot add additional power supplies but you can replace a failed power supply. You cannot use a 
combination of AC and DC power supplies. When you replace a power supply, you must replace it with 
the same type of unit.