Serial Communication Status Indicator; Ethernet Status Indicator - Advantech ECU-1251 Series User Manual

2.2.2

Serial Communication Status Indicator

LED Color
TX1 Orange
RX1 Green
TX2 Orange
RX2 Green
TX3 Orange
RX3 Green
TX4 Orange
RX4 Green
2.2.3

Ethernet Status Indicator

LED
Link1
Act1
Link2
Act2
ECU-1251 Series User Manual
Description
Blinking, Serial port 1 data being transmitted
Blinking, Serial port 1 data being received
Blinking, Serial port 2 data being transmitted
Blinking, Serial port 2 data being received
Blinking, Serial port 3 data being transmitted
Blinking, Serial port 3 data being received
Blinking, Serial port 4 data being transmitted
Blinking, Serial port 4 data being received
Color
Yellow
Green
Yellow
Green
Description
Lighting, Ethernet not connected
Blinking, Ethernet data being transmitted
Lighting, Ethernet not connected
Blinking, Ethernet data being transmitted
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