KonNad SinoCon C2000-C2-SHK0401-BB1, User Manual

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1.3. Indicators
Classification Indicator Description Meaning
Downstream
Serial Port COMx RS485 data
receive/transmit
indicators Steady on
：
RS485 line fault, please check if the
positive and negative poles of 485 line are
reversed
Flashing
：
RS485 receiving/transmitting data
Off
：
RS485 no receiving/transmitting data
RXD Downstream RS232
data receive
indicator Steady on ： RS232 line fault ， please check if the
RS232 line wiring is correct
Flashing
：
RS232 receiving data
Off ： RS232 no receiving data
TXD Downstream RS232
data transmit
indicator Steady on
：
RS232 line fault
，
please check if the
RS232 line wiring is correct
Flashing ： RS232 transmitting data
Off
：
RS232 no transmitting data
Power PWR Power indicator Steady on
：
Normal power supply
Off ： No power or abnormal power supply,
please check if the voltage range is 9~27VDC
C2000-C2-SHK0401-BB1 User Manual
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