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The power supply is connected via a screw block on
the rear of the camera (fig. 7 - G). Connect the power
leads to the connectors 2 and 3. For DC supply 2 is
+ and 3is-. *
An extra safety ground connection (1) is provided to
connect the camera to ground potential. The
maximum voltage between the supply inputs 2 and 3
and the safety ground must be less than 50 Volt.
The camera itself is galvanically insulated, which
makes a system with more than one camera
unsusceptible to ground loop problems.
* Use class 2 type of wiring for the VC72505T
For the VCM7250/O0T you should use a power supply that
meets the requirements for SELV service, according to
DIN/VDE 0860/05.89 or EN 60742 only.
Video
output
The camera produces a standard CVBS video signal
via the BNC output connector on the rear of the
camera (fig. 1-E).
A75 Ohm coaxial cable, type
RG-059, is recommended to connect the camera to
the monitor or system you are using.
Auto-iris
lenses
The camera features two types of auto-iris drives:
« Passive auto-iris lenses.
These lenses, provided with a special 4-pole plug,
are connected directly to the 4-pole socket (fig 7 -
F) on the rear of the camera.
« Standard auto-iris lenses.
These lenses use a video signal as input for the
automatic iris control. The wires of this type of
auto-iris lens must be connected to the three iris
poles of the wire connector
(fig.
7- G) onthe rear
of the camera.
Make sure that the wires of the lens do not get mixed
up during the installation.
3
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