Classification
Indicator
Description
Meaning
Digital Input
DIx
Digital input
indicators (dry
contact)
Steady on:Short to GND
Off:Open
Digital
Output
DOx
Digital input
indicators
Steady on:On
Off:Off
Ethernet
LINK
Network status
indicator
Steady on:Network connection enabled
Flashing:Transmit or receive data
Off:The network port is not plugged into the
network cable
Downstream
Serial Port
RS232
RS232 data
receive/transmit
indicator
Steady on:RS232 line fault, please check if the 232
line wiring is correct
Flashing:RS232 receiving/transmitting data
Off:RS232 no receiving/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-A2-KDDA0A0-AD6 User Manual
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