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Avaya 3720 DECT Telephone - User Guide 02/2009
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The battery is fully charged within four hours. See Charge the Battery on page 62.
Chargers
Desktop Charger
Figure 2: Desktop chargers
There are two desktop chargers available, one Basic charger that will only charge the cordless
telephone, and one Advanced Charger with advanced functionality to download new software
and synchronize parameters. The cordless telephone is fully operational while placed in the
charger.
The Basic Charger is delivered with a plug-in power supply and is connected into an ordinary
wall socket. The Advanced Charger is delivered with a power supply adapter. The adapter is
connected with a power cord to the wall socket and the Charger itself is supplied from the
adapter.
See also Inst
allation and Administration Manual, DECT R4.
Note:
Note: Only use the charger within the temperature range of +5° C – +40° C.
!
Important:
Important: Only use the provided power supply, see Installation and Administration Manual,
DECT R4.
Charging the telephone in Desktop charger
When the charger is connected to external power supply, normal operation is done as follows:
Advanced
Basic