Motorola DIMETRA MTS 2, Installation, Configuration And Basic Service Manual

Page: 361 / 517

Chapter
12
Cooling Fans
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This chapter covers the following topics:
•
Cooling Fans Overview
•
Cooling Fans Theory of Operation
•
Cooling Fans FRU Replacement
Cooling Fans Overview
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One or more fan modules generate an air
fl
ow through the MTS cabinets to manage their
temperature. Each module is comprised of two fans. Revolution of the fans is monitored
by a sensor. In the event of failure, an alarm is generated.
Low power con
fi
gurations of the MTS 2 can optionally operate with cooling fans.
6802800U74-N September 2009
12-1