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QMultiFlex-400™ Installation and Operating Handbook
Figure 6-36 Edit->Unit->Upgrade Screen Progress Indication
A remote modem can be upgraded over the satellite link by browsing to the remote
modem's IP address and following the same upgrade process. Note that the speed of the
upgrade is dependent on the bandwidth available over satellite. An approximate time can
be worked out by comparing the size of the upgrade file with the bandwidth available.
If an upgrade is unsuccessful, the modem will revert to a backup version of software. This
will normally be the software version the modem shipped from the factory with. However, it
is possible to set the fallback software to any version (please consult Technical Support for
further details).
To revert to the backup version of software in the modem, hold down the MAIN key at
power-up, then when the menu appears press 5:Old. This boots the modem from a backup
copy of the software stored when the modem was manufactured. Once the modem is
booted, the standard upgrade process can be repeated. This is the best method to recover
a modem and if unsuccessful, please contact technical support.
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