Queclink GL300W - 1. Introduction; 1.1. Reference; 1.2. Terms and Abbreviations

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2.3. LEDs Description
There are three LED in GL300W, the description as following.
2.4. External Power Interface
2.4.1. External DC Charger Interface
The Pin2 on Mini-USB connector are used for charging and named as VCHG pin, It can
be connected to a 5V DC power supply to power GL300W and charge the internal battery.
LED Event State
CELL LED
Searching network
Fast flash
Network has been registered Slow flash
Power off Dark
SIM-PIN Locked Solid
<LED on> is 2 Dark
GPS LED GPS has fixed Solid
GPS is in fixing Fast flash
GPS is on and GPS data wrong Slow flash
GPS is off Dark
If <LED on> is 0, 150 seconds later after powers on. Dark
<LED on> is 2 Dark
PWR LED Power on and normal Dark
Charger inserted and charging completed Solid
Charger inserted and charging Fast flash
Power key was pressed and prepare to power off Fast flash
Abnormal
Fast flash
Power low alert
Slow flash
Power off or turn off the power light by command
Dark
<LED on> is 2
Dark