
QDS-9400 - User Guide, Rev. 1.0
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Internal Connectors
7.1.
Power Connector
Power connector must be used to supply the board with +12 VDC (±5 %).
7.1.1.
Power Input Wafer (DCIN 12V)
The 1x6-pin 2.54 mm pitch power input wafer pr12 V DC to the board and power on / off control.
Figure 13: Power Input Wafer (DCIN 12V)
Table 17: Pin Assignment (DCIN 12V)
Pin
Signal
Description
Note
1
12V IN
Power input +12 V
2
12V IN
Power input +12 V
3
GND
Ground
4
GND
Ground
5
5V
Power +5 V
6
PS
Power on / off switch
7.1.2.
RTC Battery Power Input Wafer (RTC)
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 14: RTC Battery Power Input Wafer (RTC)
Table 18: Pin Assignment (RTC)
Pin
Signal
Description
Note
1
Real-time clock backup battery input
2
Battery-
Ground reference