FAN Box (with real Pictures): 

?The fan box regulates the temperature at the air inlet of the cabinet

and in the fan box. It can adjust the rotation speed of the fans to

implement ventilation and dissipation for the cabinet.

?The fan box performs the following functions:

–Provides forced ventilation and dissipation for the cabinet.

–Supports two modes of adjusting the rotation speed of the fans:

adjustment based on the temperature and adjustment controlled by the

central processing unit.

–Detects the temperature.

–Communicates with the central processing unit to report alarms and the

adjusted rotation speed of the fans based on the temperature to the

central processing unit.

–Stops the rotation of the fans when the ambient temperature is low.

Nice Note with pic. Really like it.

thank u bro..

thanks for comment..

documentation very useful for my job

Effective one

please post like this with original photo.