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94 System Maintenance
Restore Configuration
Selecting option 6 from Menu 24 - Maintenance will restore backup
configuration from disk to your Prestige. You need to upload a backup
file to your 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 your 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, telnet cannot be used. 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 and ISDN code update - Type atur and wait until your
Prestige responds with an OK to begin uploading the new software
(upload procedure varies depending on the type of software used to
access your 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.