ProSoft Technology PLX31-EIP-SIE User Manual
Page 35
PLX3x Series
Diagnostics and Troubleshooting
Ethernet and Serial Gateways
User Manual
ProSoft Technology, Inc.
Page 35 of 218
September 17, 2014
3.1.2 Ethernet Port LEDs
LED
State
Description
LINK/ACT
Off
No physical network connection is detected. No Ethernet
communication is possible. Check wiring and cables.
Solid Green
Physical network connection detected. This LED must be
ON solid for Ethernet communication to be possible
100 Mbit
Off
No activity on the port.
Flashing Amber
The Ethernet port is actively transmitting or receiving data.
3.1.3 Serial Port LEDs (for Gateways with Serial Ports)
LED
State
Description
RX
Off
No activity on the port.
Flashing Green
The port is actively receiving data.
TX
Off
No activity on the port.
Flashing Amber
The port is actively transmitting data.