Cisco 1700 Hardware Installation Manual page 43

Installation, Maintenance, and Upgrade
Trouble
Power supply health monitoring notifies you if the power supply loses power or malfunctions so that redundancy
is lost. Check the power supply cables to make sure they are functioning. If they are and errors are still
occurring, replace the power supply.
Safety Warnings
Take note of the following warnings:
Warning
Statement 1005—Circuit Breaker
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than: AC 20 A/DC 40 A
Warning Statement 1017 Restricted Area
This unit is intended for installation in restricted access areas. Only skilled, instructed, or qualified
personnel can access a restricted access area.
Warning
Statement 1022 Disconnect Device
To reduce the risk of electric shock and fire, a readily accessible disconnect device must be incorporated
in the fixed wiring.
Warning Statement 1028 More Than One Power Supply
This unit might have more than one power supply connection. To reduce risk of electric shock, remove
all connections to de-energize the unit.
Warning Statement 1029 Blank Faceplates and Cover Panels
Blank faceplates and cover panels serve three important functions: they reduce the risk of electric shock
and fire, they contain electromagnetic interference (EMI) that might disrupt other equipment, and they
direct the flow of cooling air through the chassis. Do not operate the system unless all cards, faceplates,
front covers, and rear covers are in place.
Cisco Secure Firewall Management Center 1700, 2700, and 4700 Hardware Installation Guide
Remove and Replace a Power Supply
39