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Indicator Description

Indicator Description

Indicator Meaning
PWR (Green)

Module power indicator:

On: Module is powered normally

Off: Module is not powered or powered abnormally

RUN (Green)

Communication indicator:

On: Normal communication

Off: Abnormal communication

RX1/TX1

COM1 serial port transmit/receive indicator: the indicator flashes when data is transmitted/received

RX2/TX2

COM2 serial port transmit/receive indicator: the indicator flashes when data is transmitted/received

Last modified: 2025-11-06