GL300M Series User Manual
QSZTRACGL300MUM0001
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2.6.
Ignition Detection
Pin 7 on the Mini-USB connector is for ignition detection when GL300M Series is used in vehicle
tracking application. It is named as IGN_IND pin.
Another easy way is to connect PIN7 to a power output which is only enabled when the vehicle is
ignition on (e.g. the power output for radio FM) in the fuse box of the vehicle.
2.7.
External Input Interface
Pin 5 on the Mini-USB connector is a negative trigger input in newer version hardware. It is
named as NSW pin.
For negative trigger input, the electrical characteristics are:
Logic State
Electrical Characteristics
Active
0V to 0.8V
Inactive
1.7V to 32V or Open loop
An input example is shown as the following figure:
Example of NSW pin connected to a panic button
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