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SuperEasy GSM Module User Manual
2.4.2. External Battery Interface
The Pin 8 on Mini-USB connector is for external battery and named as EXTBAT pin, It can
be connected to 3.7V Li-ion or Li-Polymer battery to power GL300W.
2.5. Ignition Detection
The Pin 7 on Mini-USB connector is for ignition detection when GL300W is used in vehicle
tracking application, It is named as IGN_IND pin.
Another easy way is to connect PIN7 to a power output in the fuse box of the vehicle which
is only enabled after the vehicle is ignition on. For example: the power output for radio FM.
2.6. External Input Interface
The Pin 5 on Mini-USB connector is a negative trigger input in newer hardware version, It
is named as NSW pin.
TRAC SuperEasyUM001 3
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