OpenPhone 71/73/75 System Telephones Using Your Telephone
9
■ Do not use AC adapter plugs that show visible damage (e. g. cracks in the
housing).
■ Connected headsets must conform with the standard DIN EN 60 950-1, Point
6.2 (“Safety of information technology equipment including electrical business
equipment”).
For more information on this and a list of headsets which meet these require-
ments please refer to our website at www.Aastra-DeTeWe.de. You can also
contact a headset manufacturer of your own choice, of course.
■ Use a shielded CAT-5 Ethernet cable (STP cable, Shielded Twisted Pair cable) to
connect an IP telephone to a Local Area Network (LAN).
■ Make sure that no one can trip over the telephone cables.
1.1.2 Installation Site
Do not install the telephone or its accessories
■ near water, moisture or in damp locations;
■ near sources of heat or in direct sunlight;
■ in unventilated rooms;
■ near devices that generate strong magnetic fields, electrical devices, fluo-
rescent lamps, computers, radios or television sets;
■ in dusty places or places subjected to vibrations, shocks or extreme temper-
ature fluctuations.
Place the telephones on a non-slip surface. The surface finish of your furniture may
affect the telephone’s pedestals, softening them and causing them to leave unde-
sirable marks on your furniture.
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