urmet 1783 Bedienungsanleitung Seite 7

DESCRIPTION
The device Ref.1783/69 allows to connect up to 4 control cameras with balun impedance adapter to 2Voice
systems.
Cameras can be assigned to the single user number 0 or 1 or assigned to all the system users.
This interface can be seen as a secondary call module. For this reason, in each riser the sum of secondary
call stations and CCTV bus interfaces can not exceed 2.
†
It is possible to use Ref.1083/69 or Ref.1038/69 devices even if in the system is installed one or more
Ref.1783/69.
INSTALLATION
The device is designed for DIN rail installation and also for wall mounting installation with screws and screw
anchors.
To connect the interface Ref.1783/69 to the system, it is mandatory to use the 2Voice system cable
Ref.1083/90 or Ref.1083/92 and to observe the regulations concerning secondary call stations that are
shown in the system booklet.
For cameras connections, use the cables described below, observing the maximum extension indications:
Cable type
CAT5
Coax RG59
(*) between the video balun Ref.1093/300A impedance adapter and the camera, a RG59 coax cable with a
maximum length of 50 m can be used.
TERMINAL PINS DESCRIPTION
B1
positive input (or coax cable central conductor) camera number 1
A1
negative input (or coax cable shield) camera number 1
B2
positive input (or coax cable central conductor) camera number 2
A2
negative input (or coax cable shield) camera number 2
B3
positive input (or coax cable central conductor) camera number 3
A3
negative input (or coax cable shield) camera number 3
B4
positive input (or coax cable central conductor) camera number 4
A4
negative input (or coax cable shield) camera number 4
]
LINE IN incoming BUS line
DS1783-003C
1
2
Maximum length
200 m
50 m
ENGLISH
Video balun
Ref.1093/300A (*)
NO
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