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Description of the device
3.8 PLUG
Function
The SET button has the following functions:
• Restarting the device
To restart the device, press the SET button briefly.
Note
If you make changes to the configuration and restart immediately afterwards with the SET
button, the changes may be lost. If you restart the device using the WBM (menu command
"System > Restart") or using the CLI (command "restart" in the Privileged EXEC Modus), the
configuration changes are always retained.
• Loading a firmware file via TFTP
If the normal procedure with the "Load & Save" menu of Web Based Management is
unsuccessful, the SET button can be used to load new firmware. This situation can occur if
there is a power outage during the normal firmware update.
– Hold down the button until the red fault LED (F) starts to flash after approximately 3
– Now release the button. The bootloader waits in this state for a new firmware file that you
You will find more information in the section "Service and Maintenance" in the SCALANCE
M-800 Web Based Management configuration manual.
• Resetting the device to factory settings
If you reset, all the settings you have made will be overwritten by factory defaults. If a PLUG
is inserted in the device, the PLUG is also reset to default settings.
– Hold down the button until the red fault LED (F) stops flashing after approximately 10
– Now release the button and wait until the fault LED (F) goes off again. The device then
You will find more information in the section "Service and Maintenance" in the SCALANCE
M-800 Web Based Management configuration manual.
NOTICE
Inadvertent reset
An inadvertent reset can cause disturbances and failures in a configured network with further
consequences.
3.8
PLUG
The PLUG is a removable medium and is used to transfer the configuration of the old device to
the new device when a device is replaced.
38
seconds.
can download using TFTP.
seconds and is permanently lit.
starts automatically with the factory settings and can be reached via the IP address
192.168.1.1.
Operating Instructions, 02/2023, C79000-G8976-C331-12
SCALANCE M874, M876
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