Siemens SCALANCE X-400 Operating Instructions Manual page 110
Industrial ethernet switches
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Also See for SCALANCE X-400:
- Operating instructions manual (164 pages) ,
- Compact operating instructions (42 pages) ,
- Configuration manual (404 pages)
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Installation and Commissioning
Display in Display Mode D
In display mode D, both the DM1 and DM2 LEDs of the Switch CPU are on. This
mode indicates whether the power supply is being monitored with the signaling
contact.
Figure 6-26
The following table shows the meaning of the three light emitting diodes on the
power module in display mode D:
Label
F
L1
L2
110
LED display of the power module and the Switch CPU in DMode D
Color
Status
Meaning
off
No problem has been detected by the
SCALANCE X414-3E.
Red
on
The SCALANCE X414-3E has detected a
problem. The signaling contact opens.
off
Power supply L1 is not monitored. If L1 falls
below 17 V, the signaling contact does not
respond.
Green
on
Power supply L1 is monitored. If L1 falls
below 17 V, the signaling contact responds.
off
Power supply L2 is not monitored. If L2 falls
below 17 V, the signaling contact does not
respond.
Green
on
Power supply L2 is monitored. If L2 falls
below 17 V, the signaling contact responds.
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
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