User's Manual
Cellular M2M-IoT Gateway
IOG761AM-0P001 Quick Installation Guide 11
1.2.4 LED Indication
LED Icon
Indication
LED Color
Description
Power Source 1
Green
Steady ON: Device is powered on by power
source 1
Power Source 2
(*
2
)
Green
Steady ON: Device is powered on by power
source 2
WLAN (WiFi)
Green
Steady ON: Wireless radio is enabled
Flash: Data packets are transferred
OFF: Wireless radio is disabled
SIM A
Green
Steady ON: SIM card A is used
SIM B
Green
Steady ON: SIM card B is used
~
LAN 1 ~ LAN 4
Green
Steady ON: Ethernet connection of LAN is
established
Flash: Data packets are transferred
High 3G Signal
Green
Steady ON: The signal strength of 3G is
strong
Low 3G Signal
Green
Steady ON: The signal strength of 3G is
weak
USB
Green
Steady ON: If USB device is attached
Serial Port
Green
Steady ON: If serial device is attached
2
If both of power source 1 and power source 2 are connected, the device will choose power source 1 first. The LED
of power source 2 will remain OFF at this condition.










