Pag. 60
Technical
Enlarging the installation with additional monitors and/or telephones
IMPORTANT NOTE:
If extensions or additional telephones or monitors are installed then you must bear in mind that the call
signal is shared between all the applications and so the volume in each one will decrease. This decrease also
depends on the section of cable used in the original installation. The greater the section the less the decrease.
If one of the additional items is very far from the rest, then the loss of volume may be quite noticable. In general,
three additions can be made in the dwelling.
ADDING EXTRA TELEPHONES IN AUDIO PHONE INSTALLATION
USE
To enlarge a door phone system with additional telephones spread out through the dwelling. In video door phone
installations an additional monitor can be installed without the need to add transformers. (See observations).
MATERIAL NEEDED
For additional telephones in a door phone system: CityMax Basic Telephone Ref. 8044.
For additional monitors in a video door phone system: CityMax Export Monitor Ref. 8023.
OBSERVATIONS
To enlarge a video door phone system with more than two monitors would require the installation of additional power
supplies, (1 power supply Ref. 6062 for each additional monitor).
ADDING AN EXTRA MONITOR
ADDING EXTRA TELEPHONES IN
VIDEO PHONE INSTALLATION
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M
V
M
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21 3 4 6 21 3 4 641 2 3 6
COMPLEMENTARY INSTALLATIONS
MAIN TELEPHONE
TO THE GENERAL
INSTALLATION
EXTRA TELEPHONES
MONITOR
TO THE GENERAL
INSTALLATION
EXTRA TELEPHONES
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