Siemens SCALANCE X101-1 Operating Instructions Manual page 25

Note
If an empty fault mask is set or needs to be set, the 2 port LEDs flash alternately. If the fault
mask is empty, no port is monitored.
Error/fault
If the link is lost at a monitored port or a monitored power supply is lost, this is signaled as
follows:
● the red fault LED lights up
● the signaling contact is opened
Setting transparent link mode
Factory setting
When shipped, the transparent link mode is disabled. The media converter is in standalone
mode. A cascade is not possible.
Enabling transparent link mode
To enable the transparent link mode, press the SET button and keep it pressed for 0.5
seconds.
The transparent link LED lights up. The transparent link mode is enabled.
Disabling transparent link mode
To disable the transparent link mode, press the SET button and keep it pressed for 0.5
seconds.
The transparent link LED is off. The transparent link mode is disabled. The media converter
is in standalone mode.
SCALANCE X-100 media converter
Operating Instructions, 04/2016, C79000-G8976-C346-02
Description of the device
3.6 SET button
25