7
9. Wiring for Dome System
100 feet of CAT5E twisted pair cable, and 20’ of power supply wiring is included with your
dome camera. Additional CAT5E cable can be purchased from a variety of stores or
distributors and easily spliced to your cable. Up to 1,000 feet of cable can be
successfully used on an installation. More distance can be achieved with the use of an
amplifier. Call our customer service line for information on current models of amplifiers.
The RS-485 communication signal is sent over one twisted pair while the video is sent
over another twisted pair. Video balun transformers are included to connect the video
output of the dome to the CAT5E cable, and to connect the CAT5E cable to your DVR or
other control device.
Please make sure to follow polarity markings (+ and -) on the
video baluns and the RS-485 connections.
Wires coming from dome:
24V AC Power Suppl
y Jack
RS-485 Communication Cable
：
RS-485 A+, RS-485B-
Coax video cable with connector for balun transformer.
Remarks: Please refer to the indications of the labels on the cables.
10. Installation Requirements
1) T
o ensure proper operation make sure the 24VAC power supply packed with your dome
camera
is securely mounted to an indoor 120VAC outlet near the location of the dome.
Transformer is
not made for outdoor use.
Extension power wires to the dome should be #16 AWG or greater
conductors with insulation intended for outdoor use. Please consult your local electrical codes for
specific information.
2) Secure the included wall or ceiling (pendant) bracket to hold a minimum of five times the total
weight of your dome assembly. High winds can cause your dome assembly to be torn away from
its location and become a hazard. The included lag screws are provided for your convenience to
mount the brackets directly to a wood support beam or joist, and anchors for concrete block mortar
joints. Your particular installation situation should be carefully planned, and the proper mounting
hardware should be used in all cases. Please consult with a professional installer if you are not
well acquainted with this type of construction project.
3) Mark the location for the bracket mounting screws and drill the a
ppropriate size holes for your
