Classification
Indicator
Description
Meaning
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
SPD
10/100Mbps
indicator
Steady on
：
100M network connected
Off
：
Not connected to the 100M network
RUN
FAULT
Equipment
failure
indicator
Steady on
：
Under voltage
Downstream
Serial Port
TXD
RS485 data
transmit
indicator
Flashing
：
RS485 transmitting data
Off
：
RS485 no transmitting data
RXD
RS485 data
receive
indicator
Steady on
：
RS485 line fault, please check if the
positive and negative poles of 485 line are reversed
Flashing
：
RS485 receiving data
Off
：
RS485 no receiving data
Power
PWR
Power
indicator
(9~27VDC)
Steady on
：
Normal power supply
Off
：
No power or abnormal power supply, please
check if the voltage range is 9~27VDC
C2000-RSDD-CK-CK31 User Manual
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SinoCon Co., Ltd.
www.sinoconsys.com
