EXFO FTB-500 - Manual (Page 21)

Introducing the FTB-500
FTB-500 13
Automatic Fan Speed Management
Automatic Fan Speed Management
The FTB-500 will determine the most appropriate fan speed, depending on
the power requirements and the type of modules you are using.
If the temperature keeps rising and reaches the limit: your FTB-500 will
turn off to protect both the modules and the platform itself.
I
MPORTANT
Fan speed is always determined to cool down the most
heat-generating modules.
C
AUTION
Make sure to use protective covers over empty slots in your
four-slot model to avoid overheating.