Device ports and status indicators
PROmesh P20 - User Manual
13
2.4 LED indicators
There are five diagnostic LEDs on the front panel of the switch.
Additionally, each of the 20 data ports feature two status LEDs.
The status LEDs show the most important diagnostic information regarding the device and connection
status of the PROmesh P20 in your PROFINET network (see Table 1).
LED
Status
Meaning
VDC1
Green
Voltage at terminal is sufficient
Off
Voltage at terminal is not sufficient
VDC2
Green
Voltage at terminal is sufficient
Off
Voltage at terminal is not sufficient
Status
Green
PROFINET connection to controller is active
Yellow
PROFINET connection to controller is inactive
Error
Red
Voltage failure, port fault or configurable alarm active
Off
No malfunction at port
Data
Green
Connection available
Flashing
Sending or receiving packages
Off
No connection available
Table 1: LED functions
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