USR-LG220-L User Manual
Technical Support:
h.usriot.com
Jinan USR IOT Technology Limited
www.usriot.com
5
Figure 2 Application diagram
1.4.Hardware design
1.4.1.Interface
Interface
Description
DC power supply socket
Range from 5V to 36V. Standard power supply socket: 5.5*2.1mm
DC power supply terminal
Range from 5V to 36V.
WAN interface
Wired WAN interface. 10/100Mbps and support Auto MDI/MDIX
USB interface
Reserved
LED
Refer to
1.4.2.LED
SIM card slot
One SIM card slot
Reload button
Press over 5 seconds and release to restore default settings
LoRa antenna
Four LoRa antennas
WiFi antenna
One WiFi antennas
3G/4G antenna
One 4G antenna
Figure 3 Interface
1.4.2.LED
LED
Description
PWR
Light after powering the module.
WLAN
Light after WiFi starting successfully.
WAN
Light after inserting cable. Blink when there are data transmission.
LoRa
Light when there are data transmission between concentrator and LoRa module.
2G
Light when LTE module works in 2G mode.
3G
Light when LTE module works in 3G mode.
RSSI(1~4)
More RSSI LED light means stronger RSSI.
Figure 4 LED
Note:
When LTE module works in 4G mode, 2G and 3G LED will both light.
