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Troubleshooting
8.1
Resetting the device to default settings with the button (in the
startup phase)
NOTICE
Connection hazard - risk of communication failure
Depending on the configuration of your network, a reset device can cause circular frames and
thus the loss of data traffic.
NOTICE
Configuration hazard - risk of data loss
If a CLP is inserted in the device, the CLP is also reset to default settings.
Note
When you reset the device to the default settings, all configurations are deleted, including:
• The IP address
• The created user
• The passwords
• The user-defined keys and certificates
Following this, the device can only be reached via the serial interface.
If you assign an IP address to the device via DHCP or DCP (e.g. SINEC PNI), you can access the CLI
and Web UI of the device via a network connection with a preset user profile.
To reset the device to default settings in the startup phase, do the following:
1. Turn off the power to the device.
2. Press the button and reconnect the power supply to the device while holding down the
button.
3. Hold down the button until the red alarm LED A stops flashing and is permanently lit.
4. Release the button and wait until the alarm LED A goes off again.
The device starts automatically with the default settings.
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01
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