Mitel M685i, Руководство по установке

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Configuration and Usage
7
CONFIGURATION AND USAGE
UPGRADING THE M685I EXPANSION MODULE
The M685i does not require a separate firmware package. M685i software is embedded within
the respective phone’s firmware package.
When the M685i is connected and is powered up, the LED corresponding to the second button
on the module will turn solid red and the module will check to see if an upgrade is required. If
it does not have the latest software, the module will upgrade itself using the phone’s embedded
firmware. This process will take approximately 10 seconds, in which case the LED
corresponding to the second button on the M685i will stay solid red for the duration. If the
upgrade is successful, the LED will turn green. If the LED stays solid and red for longer than
10 seconds, the upgrade may have failed. In such scenarios, unplug and reattach the power
source from the phone to attempt the upgrade again.
As software upgrades are performed one at a time, each additional M685i connected increases
the approximate upgrade time by 10 seconds (e.g. three connected M685i expansion modules
will take approximately 30 seconds to upgrade).