V-Tec VIDEO DOOR PHONE SYSTEM Manual Pagina 134

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BASIC SYSTEM DIAGRAMS
18
−−−−
sec.1d
DOOR PHONE - VIDEO DOOR PHONE SYSTEMS: Installation Diagrams
DOOR PHONE SYSTEMS
CONNECTION OF SEVERAL
VIDEO DOOR PHONES
TO 4 VIDEO OUTDOOR STATIONS
FUNCTION
This system allows the connection of a column of video door phones
to 4 video outdoor stations with automatic switching. Therefore, it is
suitable for a building with 4 entrances common to all apartments.
When a visitor presses a call button on one of the two push button
panels, in the called apartment the bitonal electronic call is sent to the
corresponding video door phone loudspeaker and the image appears
on the screen after about 7 seconds. During this phase, the relay box
automatically inserts the relative loudspeaking unit and TV camera,
excluding the other video outdoor station from the service. At this
point, the user sees the visitor and may respond, if desired, lifting the
handset. At the end of the call, only the electric lock of the entrance
concerned is activated pressing the key . If, during a conversation,
a call is made from the other push button panel towards another video
door phone, the fi rst will automatically switch off and the last video
door phone called will be activated. In this system it is not possible
to speak simultaneously from the four outdoor stations because they
work one at a time in automatic switching.
EQUIPMENT
The following devices are needed for the system illustrated in diagram
SV102-3078B:
VIDEO DOOR PHONE REFERENCES
Atlantico model
N. X Video door phones Ref. 1702/1
N. X Bracket Ref. 1202/90
or
Artico model
N. X Video door phones Ref. 1705/1
N. X Bracket Ref. 1705/90
VIDEO OUTDOOR STATION REFERENCES
TC
Sinthesi model
N. X Button modules Ref. 1145/11-/12-/13-/14
N. 4 Module with camera and door unit Ref. 1745/80-/81-/82
The panels must be installed in fl ush-mounting boxes with
module holder frames or in cases with hood for wall-mounted
versions. Refer to “Sinthesi panel” section of Doorphone and
Videodoorphone system - product technical manual.
or
K-Steel model
N. X Button modules Ref. 1155/11-/12A-/13A-/14A
N. 4 Module with camera and door unit Ref. 1755/80
The panels must be installed in fl ush-mounting boxes with
module holder frames or in cases with hood for wall-mounted
versions. Refer to “K-Steel modular vandal-proof panel” section
of Doorphone and Videodoorphone system - product technical
manual.
or
725 model
N. 4 Panel with N buttons Mod. 725
N. 4 Amplifi ed door unit Ref. 1128/500
N. 4 Camera Ref. 725/600
N. 4 Front plate Ref. 725/601-/602
For the panels references and the accessories refer to “Panels
with anodized Aluminium front plate Mod. 725” section of
Doorphone and Videodoorphone system - product technical
manual.
or
1128 model
N. 4 Front case for video door unit Ref. 1728/20-/21
N. 4 Door unit with camera Ref. 1728/80
N. X Front case Ref. 1128/10-/11
N. X Button Ref. 1128/1-/2
For boards of accessories refer to “Wall Mounted Panel
Mod. 1128” section of Doorphone and Videodoorphone system
product technical manual.
POWER SUPPLY REFERENCES
N. 1 Video power supply Ref. 789/5B
N. 1 Relay box Ref. 788/54
6+coax+(n)
6+coax+(n-2)
7+coax
7+coax
7+coax
6+coax+(n-1)
11+n+
coax
11+n+
coax
TC
22 22
TC
11+n+
coax
11+n+
coax
TC
22 22
TC
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