GL502MG User Manual
QSZTRACGL502MGUM0100
4
2.3.
LED Description
Figure 2.
GL502MG LEDs
There are two LEDs on GL502MG. They can work separately and in combination to indicate the
status of the device. For the details when they work separately, please see the table below:
Table 5.
GL502MG LED Description (work separately)
Fast flash: 100ms on/200ms off
Slow flash: 200ms on/1000ms off
LED
Event
State
CELL LED
(Green)
Searching network
Fast flash
The device has been registered on network
Slow flash
SIM is locked by PIN
Solid on
Modem off
Solid off
GPS LED
(Blue)
GPS is in the process of fixing
Fast flash
GPS is on and GPS gets fix
Slow flash
GPS off
Solid off
LEDs
Queclink
Confidential
