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Using two video multiplexers, the video
signals from five door stations with colour cameras can be
brought together.
Bus coupler for door communication
1 2
5
3
4
1 2
4
3
Bus coupler home station with
TFT display.
Important
The device PCB may not pulled out the housing completely. Thus the call-button illumination cannot deactivated
in this case.4 m
0. Two colour cameras can sup-
plied via the video control unit.: 1224 00.5
m
1
m
2
m
Horizontal detection range
The following items are noted when positioning door station with
colour camera. 20° all directions. The third colour camera requires addi-
tional power supply. (A) video multiplexer order no.
Avoid:
- direct sunlight
-
direct backlighting, via outdoor street illumination
-
bright reflective image backgrounds
-
installing the colour camera directly below light source
Surface-mounted door station
Surface-mounted door station, or
3-gang
Surface-mounted door station, or
3-gang with shifted PCB
To obtain installation space, the device PCB the surface-mounted
door stations can pushed downwards.
Bus coupler jumpers
The call-button illumination the door station supplied the
included wire jumpers.
Video multiplexer
The video multiplexer bundles the video signals door stations and
DCS-camera-gateways.
Power supply
With certain system configurations (several parallel door and home sta-
tions with video function), necessary supply door station with a
colour camera via the power supply.617
Gira electrical installation systems
Video Door communication
I
Technical
information
Detection range the colour camera
0.
Use several colour cameras
V
24 DC
300 mA
(A)
Connection several colour cameras. When operating the colour camera, the wire
jumpers must connected between BUS and the bus coupler of
the door station.6 m
1.6 m
20°
The camera lens can manually adjusted approx.6 m
1. video multiplexer can bring the video signals
from three cameras together.
1 video, system, additional
supply, floor call button,5 sys-
tem
Bus coupler door station
with colour camera
1 video, system, additional
supply, system
Bus coupler jumpers
When operating the TFT display, the accompanying wire jumpers must
be connected between BUS and the bus coupler the home sta-
tion.7 m
0.
0.
