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Indicator Description

Indicator Description

SRE6002 Indicator Description

Indicators Meaning
PWR (green) Module power indicator: ON: the module is powered on normally; OFF: the module is not powered on;
RUN (green) Communication indicator: ON: normal communication OFF: abnormal communication
RX1/TX1 COM1 serial port transmit-receive indicator. The indicator flashes when receiving and transmitting data;
RX2/TX2 COM2 serial port transmit-receive indicator. The indicator flashes when receiving and transmitting data;

SRE6004 Indicator Description

Indicators Meaning
PWR (green) Module power indicator: ON: the module is powered on normally; OFF: the module is not powered on;
RUN (green) Communication indicator: ON: normal communication OFF: abnormal communication
RX1/TX1 COM1 serial port transmit-receive indicator. The indicator flashes when receiving and transmitting data;
RX2/TX2 COM2 serial port transmit-receive indicator. The indicator flashes when receiving and transmitting data;
RX3/TX3 COM3 serial port transmit-receive indicator. The indicator flashes when receiving and transmitting data;
RX4/TX4 COM4 serial port transmit-receive indicator. The indicator flashes when receiving and transmitting data;
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Last modified: 2025-07-01