User manual

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5.8 Upgrade
This section will introduce how to upgrade the kernel and FPGA code of G.SHDSL .Bis NTU. Select upgrade in main menu
and press [ENTER] or [RIGHT].
Please notice that when you use Remote Upgrade feature. It means you can use that feature to update firmware to remote
side. It will be described below.
During an upgrade and re-flash, the normal transmissions will be halted, so the upgrade should be done when the system is
taken offline or done during a time of extremely low impact to the line of customer.
The upgrade procedures use the Xmodem protocol via the serial console port of rear panel.
Following shows how to select the upgrade feature:
Before upgrading the NTU, you must have the main software or FPGA code in your computer.
If you want to upgrade the kernel code: select Kernel and press [ENTER] or [RIGHT].
Click Send file in terminal access program, hyper terminal, to send the file. Make sure the sending protocol is Xmodem.
Select the source file in shown window and then press OK.