NBB-800
User Manual for NRSW version 4.5.0.100
2. Serial Console Login: It is also possible to log into the system via the serial port. This would re-
quire a terminal emulator (such as PuTTY or HyperTerminal) and an RS232 connection (115200
8N1) attached to the serial port of your local computer. You will also see the kernel messages at
bootup there.
3. Recovery Image: In severe cases we can provide a recovery image on demand which can be
loaded into RAM via TFTP and executed. It offers a minimal system image for running a software
update or doing other modifications. You will be provided with two files, recovery-image and
recovery-dtb, which must be placed in the root directory of a TFTP server (connected via LAN1
and address 192.168.1.254). The recovery image can be launched from the boot-loader using a
serial connection. You will have to stop the boot process by pressing s and enter the bootloader.
You can then issue run recovery to load the image and start the system which can be accessed
via HTTP/SSH/Telnet and its IP address 192.168.1.1 afterwards. This procedure can be also
initiated by holding the factory reset button longer than 15 seconds.
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