Communication Protocols
Copyright IXXAT Automation GmbH
92
IEM Manual, 1.5
5.1.8 LEDs
The following LEDs are used by the IEM’s PROFINET implementation (see
also [PNIO4]):
Module LEDs (outside the RJ45 connectors):
LED1 (upper LED):
Color
Mode
Status
-
off
-
green
-
-
red
blinking
indication of this module (“buzzing” or “flash test”)
red
on
module failure state
LED2 (lower LED):
Color
Mode
Status
-
off
connection (AR) to the controller established
green
on
protocol not initialized
red
on
no connection (AR) to the controller established
Within the RJ45 connectors:
LED3/5 (green):
Color
Mode
Status
green
off
no link
green
on
link established
green
flicker
activity
LED4/6 (yellow):
Color
Mode
Status
yellow
off
not powered / no link
yellow
on
100 Mbits/s