Holux GM-83 - Manual (Page 6)

GM-83 User’s manual
6
3. Hardware interface
3.1 Standard Model GM-83
GM-83-A W/ angle MCX connector and standard hole to hole dimension
J1 connector pin definition:
Pin # Name Description
1 NC No function
2 VCC_5V Regulated 5.0V +/-5% input power, 160mA typical.
3 VBAT Battery backup input. 2.5V to 3.3V ,10uA typical.
4 NC No function