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
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
Downstream
Serial Port
RXD
RS485/RS422
data receive
indicator
Steady on
：
RS485/RS422 line fault
，
please check if
the positive and negative poles of 485/422 line are
reversed
Flashing
：
RS485/RS422 receiving data
Off
：
RS485/RS422 no receiving data
TXD
RS485/RS422
data transmit
indicator
Flashing
：
RS485/RS422 transmitting data
Off
：
RS485/RS422 no transmitting data
C2000-B2-SIE0101-BB1 User Manual
7 / 11
SinoCon Co., Ltd.
www.sinoconsys.com
