Redundant Fan Systems Using the TC647 Fan Manager
Don Alfano and Danny Allred
Certain applications, such as file servers, require redundant cooling fans to ensure uninterrupted system service, even with cooling fan malfunctions present. Typically, such systems have a primary fan to cool the system, and one or more ?standby? fans that automatically are placed in service
should the primary fan fail.
BDC fan controller and fault detector