USR-N540 User Manual www.usriot.com
Jinan USR IOT Technology Limited 10 / 73 inquiry@usriot.com
2.5. Indicators and Dial switch
2.5.1. Indicator light
Indicate power. It is on when power is supplied
Indicate working status. It twinkles when N540 works well.
If it is on or off for a period, N540 works improperly, you
should cut the power and restart.
It twinkles when port 1 sends data
It twinkles when port 1 receive data
It twinkles when port 2 sends data
It twinkles when port 2 receive data
It twinkles when port 3sends data
It twinkles when port 3 receive data
It twinkles when port 4 sends data
It twinkles when port 4 receive data
2.5.2. Dial Switch
N540 setting serial port can using webpage or dial switch. When choosing the dial switch mode in webpage, the dial
switch is on work; when setting serial port into customize mode, webpage is on work, the webpage is more priority
than the dial switch.
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