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Next note down the version of your SBC. This will be in the top Left hand side of the webUI. Once this is sorted out then go to one of the FTP links below to download the exact version of your SBC. Its important you get the same version to ensure the restore works well.
Version 2.2.X -> https://ftp.sangoma.com/nsc/2.2/
Version 2.3.X -> https://ftp.sangoma.com/nsc/2.3/
Once this is completed then burn the ISO to DVD or write it to a USB using one of the links below.
USB -> Writing ISO to a USB Drive
DVD -> Burning ISO to a CD_DVD
Once this is completed then place the USB or DVD into the server and power it up. You should then see the screenshot below. On this screen select standard console if you are accessing the server over a VGA/DVI port. Or select serial port if you are access it over a serial port.
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On this screen select the keyboard layout for your keyboard.
On this screen type "Install" into the box and then TAB to get to the OK box, and hit enter.
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