7/ Internal Connectors; Power Connector; Power Input Wafer (Cn5); Rtc Battery Power Input Wafer (Bat1) - Kontron 3.5"-SBC-WLU User Manual

7/ Internal Connectors

7.1. Power Connector

Power connector must be used to supply the board with +12 VDC (±5 %).
Hot plugging any of the power connector is not allowed.
Hot plugging might damage the board. In other words, turn off main supply etc. to make
sure all the power lines are turned off when connecting to the motherboard.

7.1.1. Power Input Wafer (CN5)

The 1x4-pin 3.0 mm pitch power input wafer provides +12 V DC to the board.

Figure 10: Power Input Wafer CN5

Table 15: Pin Assignment CN5

Pin Signal
1 +12Vin
2 GND
3 GND
4 +12Vin

7.1.2. RTC Battery Power Input Wafer (BAT1)

The 1x2-pin 1.25 mm pitch RTC battery power input wafer is intended to be connected to the battery. The battery
provides power to the system clock to retain the time when power is turn off.

Figure 11: RTC Battery Power Input Wafer BAT1

Table 16: Pin Assignment BAT1

Pin Signal
1 +VRTC
2 GND
www.kontron.com
Description
Power +12 V
Ground
Ground
Power +12 V
Description
Real-time clock backup battery input
Ground
3.5"-SBC-WLU - User Guide, Rev. 1.0
Note
Note
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