Kontron KTA55-pITX - Manual (Page 37)

KTD-S0031-E Page 33 Power and Thermal Management
KTA55/pITX User's Guide
17.3 Fan Interface
If a fan is added use this interface to connect a fan to cool off the CPU. The connector only supports 5V
fans. A three pin fan includes a pulse output (sense) which allows the control of fan speed.
17.3.1 Connector
The fan interface is available through connector J1503.
Header Pin Signal Name Function
1 SENSE Speed monitoring
2 VCC 1) Power +5V
3 GND Ground
Note: 1) To protect the external power lines of peripheral devices make sure that
- the wires have the right diameter to withstand the maximum available current.
- the enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.