Technicolor - Thomson 8900NET Manuel d'utilisateur télécharger pdf (Page 64)

64 8900NET Instruction Manual

Functional Description

Fan Speed Control and Monitor

The fan speed circuit controls the speed of the fans based upon the ambient

temperature in the area in which the frame is located. If the temperature is

30° C or lower, the fans are set to minimum speed. For temperatures above

30° C, the fan speed is set higher as the temperature increases. The fan

speed is set to maximum for ambient temperatures above 40° C. The

control circuit can be overridden so the fans are set to maximum speed,

using a jumper on the board.

On-board Regulator

+12 V supply voltage is regulated on-board to provide +5 V and +3.3 V to

the module.

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Technicolor - Thomson 8900NET Manuel d'utilisateur Page 64