User's Manual

 SuperEasyGSMModuleUserManual  
TRACSuperEasyUM0013
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.