Industrial Cellular VPN Router NR500 Series User Manual
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2.2
LED Indicators
Name
Color
Status
Description
SYS
Green
Slow Blinking (500ms duration)
Operating normally
Fast Blinking
System initialing
Off
Power is off
NET
Green
On
Register to Highest priority network
service (depend on Radio, e.g.
Radio support LTE as Highest priority
network).
Fast Blinking (500ms duration)
Register to Non-Highest priority
network service (depend on Radio,
e.g. Radio support LTE as Highest
priority network, then WCDMA and
GPRS is non-highest priority network).
Off
Register failed
USR: SIM
Green
On
Router is trying cellular connection
with SIM1
Fast Blinking (250ms duration)
Router is trying cellular connection
with SIM2
Off
No SIM detected
Blinking
Wi-Fi is enabled and data
transmission
Off
Wi-Fi is disable or initialize failed
Signal Strength
Indicator
Green
On, 3 LED light up
Signal strength (21-31) is high
On, 2 LED light up
Signal strength (11-20) is medium
On, 1 LED light up
Signal strength (1-10) is low
Off
No signal