Displays - Siemens SIMATIC NET S7-300 Operating Instructions Manual

Product properties

3.5 Displays

3.5 Displays
Power indicator (green LED)
The status of the power supply is indicated by a green LED:
Status
LED lit green
LED not lit
Port status indicator (green/yellow LEDs)
The status of the ports is indicated by four green/yellow LEDs.
Status
Port 1 through 4 LED lit green
Port 1 through 4 LED lit yellow
Ports 1 through 4 LEDs flashing syn‐
chronously
16
Meaning
Power supply is connected
Power supply is not connected or <14 V
Also see the <<Note>> in section <<4.6>>
Meaning
TP link exists, no data reception
TP link exists, data received at TP port
Test phase during power on
Compact Switch Module CSM 377
Operating Instructions, 06/2022, A2B00073499-02