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CHAPTER
5-1
Cisco Global Site Selector 4491 Hardware Installation Guide
78-16356-01
5
Maintaining Your GSS
Proper use of preventive maintenance procedures can keep the GSS in top
operating condition and minimize the need for time-consuming service
procedures. This chapter contains maintenance procedures that you should
perform regularly.
This chapter includes the following major sections:
• Maintaining Your Site Environment
• Using Power Protection Devices
Maintaining Your Site Environment
An exhaust fan in the power supply cools the power supply and GSS by drawing
air in through various openings and blowing it out the back panel. However, the
fan may also draws dust and other particles into the GSS, causing contaminant
buildup, which results in an increase in the GSS’s internal temperature and
interferes with the operation of various GSS components.
To avoid these conditions, we recommend keeping your work environment clean
to reduce the amount of dust and dirt around the GSS, thereby reducing the
amount of contaminants drawn into it by the power supply fan.