ZyXEL Communications Prestige 28641 - Manual (Page 143)

System Maintenance 129
You need to download the configuration onto disk. Procedure for
downloading varies depending on the type of software used to access
the Prestige but you must use the XMODEM protocol to perform the
download.
Restore Configuration
Selecting option 6 from Menu 24 - Maintenance will restore backup
configuration from disk to the Prestige. You need to upload a backup
file to the Prestige. Procedure for uploading varies depending on the
type of software used to access the Prestige but you must use the
XMODEM protocol to restore the configuration.
Keep in mind that configuration is stored on flash ROM in the Prestige
so even if power failure were to occur, your configuration is safe.
Software Update
Software updates are only possible through the RS-232 cable
connection. You cannot use telnet to update the software version
of your Prestige. Note that this function will delete the old software
before installing the new software. Do not attempt to utilize this menu
unless you have the new software version. There are two different
software updates: RAS code and ISDN code.
•
RAS code update - Type atur and wait until the Prestige responds
with an OK to begin uploading the new software (upload procedure
varies depending on the type of software used to access the
Prestige). You must use the XMODEM protocol to perform the
upload. After uploading is successful, type atgo to start your
Prestige. Below is an example of downloading RAS and ISDN
using PCPLUS.