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4.2.3
Displays
Power Display (green and red LEDs)
The status of the ELS TP40M is indicated by a green and a red LED:
Status
lit green
not lit
lit or flashing red
Port Status Display (green/yellow LEDs)
The status of the ports is signaled by four LEDs:
Port 1 to 4 LED lit green
Port 1 to 4 LED lit yellow
Port Status Display During Startup
Following startup, the LEDs are lit in the order shown:
● Red LED (approx. 0.5 s)
● Green power LED (green) and all yellow LEDs for approx. 13 s
● Red/green LEDs flash quickly for approx. 1.5 s
The device is operational after a further 3 seconds.
Industrial Ethernet
A5E00152007-03
Power supply L+ is connected
Power supply L+ is not connected or <14 V
The red LED should go off after "Power on" after approximately one
minute otherwise the ELS TP40M device is defective.
Status
TP link exists, no data reception
TP link exists, receiving data at TP port
Ports and Displays
Meaning
Meaning
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