Dc -In Power Connector; Cmos Battery Connector - Lex Computech 2I268C Manual

3-9 DC -IN power connector

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CPI1 : DC 12V-in power Jack
PIN NO. Description
1 +12V DC-IN
2.3 GND
Note: Very important check Dc-in Voltage
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CPI12 : DC-in 1x2 (2.0mm)Wafer Internal connector
PIN NO. Description
1 DC-IN(12V)
2 GND
Note: Very important check DC-in Voltage
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CPI11 : DC 12V-in Internal connector
(4pin ATX power 4.20mm) (Option)
PIN NO. Description
1.2 GND
3.4 +12V DC-IN
Note: Very important check DC-in Voltage
CPI11 share with CPI1 position.

3-10 CMOS battery connector

BAT1 : 3V Battery hold 2pin
BAT1 : Batter use Li 3V / 40mAh (CR1220)
Note : 1. When board without Adaptor plug in, this board power RTC consumption 2.7uA
2. If adaptor always plug in RTC power consumption 0.1uA
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CBT1: 3V Battery 2pin(1.25mm)Wafer (option)
PIN NO. Description
1 CATHODE(-)
2 ANOD(+)
Note : 1. This connector for external 3V Li battery use.
2. CBT1 can work with BAT1 same time.
3. Li battery can use CR2032 type 3V / 220mAh
CPI12
CBT1
36
CPI1