Industrial Cellular VPN Router NR500 Series User Manual
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2.2 LED Indicators
Slow Blinking (500ms duration)
Register to Highest priority network
service (depend on Radio, e.g.
Radio support LTE as Highest priority
network).
Fast Blinking (250ms 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).
Router is trying cellular connection
with SIM1
Fast Blinking (250ms duration)
Router is trying cellular connection
with SIM2
Wi-Fi is enabled and data
transmission
Wi-Fi is disable or initialize failed
Signal Strength
Indicator
Signal strength (21-31) is high
Signal strength (11-20) is medium
Signal strength (1-10) is low