5 Getting Started
5.6 Meaning of the LEDs
78 SENTRON PAC5100/5200, 7KM5212/5412, Device Manual
E50417-H1040-C568-A1, Edition 03.2015
5.6 Meaning of the LEDs
7KM5212/5412 automatically monitors the functions of its hardware and software components. The LEDs on
the top side of the housing indicate the current device status.
Figure 5-5 Designation of the LEDs
Depending on the status, the LEDs can be permanently on, flashing, or off. The states are described in
chapter 12.3. The meaning of the LEDs during normal operation is explained in the following table:
Table 5-1 Meaning of the LEDs
LED Meaning
RUN Device active
ERROR Indicates an error according to parameterization
H1 According to parameterization
H2 According to parameterization
Link/Activity LED on: Ethernet link is up
LED flashing: Ethernet link is up and data are transferred
LED off: no Ethernet partners connected
Speed LED on: 100 Mbit/s
LED off: 10 Mbit/s
RUN
H1
Link/Activity
ERROR
H2
Speed
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