Robustel R1520 User Guide
RT056_UG_R1520_v.1.0.3 Dec. 25, 2021 16/159
2.4 LED indicator
Note: 1. click Services > Advanced > system > System Settings > Custom LED Indicator type to set the display type of
USR LED.
2. When the LEDs start blinking one by one, the WLAN indicator will not turn on and off.
Router is powered on (System is initializing)
Link connection is working
Data is sent and received.
Link connection is not working
OpenVPN connection is established
OpenVPN connection is not established
IPsec connection is established
IPsec connection is not established
Received Signal Strength Indication
greater than -73 dBm
(Strong signal)
Received Signal Strength Indication -91 to -73 dBm
(Moderate signal)
Received Signal Strength Indication -111 to -93dBm (Weak
signal)
WiFi is enabled and working properly
WiFi is disabled or not working properly