Siemens SCALANCE W788-1PRO Operating Instructions Manual page 27

L ED
L1
F
Not e
If th e LED for the WLAN interface is not green when the device starts up, although
it is ac tivated, the interface is no
Th e main reason for this is usually that during commissioning of the
SCAL ANCE W78x products, a wa
ambient temperature is below zero. The device is ready for operation at the
spe cified ambient temperature as soon as the LED for the WLAN interface is lit
green .
Operating Instructions SCALANCE W78x
C79000-G8976-C184-07
Color
Green flashing Access Point Mode:
quickly With 802.11h the channel is scanned for one minute for
primary users before the channel can be used for data traffic.
Clie nt Mode:
Th e LED is always off because the 2nd interface is not
available in client mode.
Yellow flashing PRESET-PLUG detected.
Yellow/green PRESET function completed successfully.
Green Power supply over the M12 connector (X2).
Red An error occurred during oper
SCALANCE W78x.
t ready for operation (interface not initialized).
Description of the SCALANCE W78x
Meaning
ation with the
iting time of up to 15 minutes can occur when the
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