Ports and Displays

4.2.3Displays

Power Display (green and red LEDs)

The status of the ELS TP40M is indicated by a green and a red LED:

Status

Meaning

lit green

Power supply L+ is connected

not lit

Power supply L+ is not connected or <14 V

lit or flashing red

The red LED should go off after "Power on" after approximately one

 

minute otherwise the ELS TP40M device is defective.

Port Status Display (green/yellow LEDs)

The status of the ports is signaled by four LEDs:

 

Status

Meaning

Port 1 to 4

LED lit green

TP link exists, no data reception

Port 1 to 4

LED lit yellow

TP link exists, receiving data at TP port

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

31

A5E00152007-03

Page 31
Image 31
Siemens Electrical Lean Switch Power Display green and red LEDs, Port Status Display During Startup