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Additional Equipment
You also need the following equipment.
• Small flat head screwdriver—for use during the installation
• Power supply unit—depending on how many
Expansion
Modules you are installing and how your
Cisco
Unified IP Phone is powered, you will require power
supply unit(s) as follows:
Power over the Ethernet to
your Cisco
Unified IP Phone
With one or two Expansion
Modules, you need a power
supply unit (separate
orderable item).
Power supply to your
Cisco
Unified IP Phone
With one Expansion Module,
you do not need a power
supply unit.
With two Expansion
Modules, you need a power
supply unit (separate
orderable item).
Note Use of a non-Cisco certified power supply unit might
not work and voids the Cisco Unified IP Phone
Expansion Module 7915 product warranty.
Safety Information
The following safety warnings are for the Expansion
Module 7915. Read these notices before you install or use the
Expansion
Module 7915. For translated warnings, refer to the
Regulatory Compliance and Safety Information for the Cisco
Unified IP Phone 7900 Series.