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Pelco Manual C1984M-F (4/03)
AC operation only – If you are wiring more than one camera to the same transformer, connect one side of
the transformer to the same terminal on all cameras, and connect the other side of the transformer to the
remaining terminal on all cameras. Failure to connect all of the cameras the same way will cause the
cameras to be out of phase with each other and may produce a vertical roll when switching between
cameras.
Table B. Video Coaxial Cable Requirements
Cable Type* Maximum Distance
RG59/U 750 ft (229 m)
RG6/U 1,000 ft (305 m)
RG11/U 1,500 ft (457 m)
* Minimum cable requirements:
75 ohms impedance
All-copper center conductor
All-copper braided shield with 95% braid covera
ge
Table A. Recommended Wire Gauge and Wiring Distances
The following are the recommended maximum distances for 24 VAC applications and are calculated with a 10-
percent voltage drop. (Ten percent is generally the maximum allowable voltage drop for AC-powered devices.)
Example: A camera that requires 10 vA and is installed 283 feet (86 m) from the transformer would
require a minimum wire gauge of 20 AWG.
NOTE: Wire gauges are standard AWG or metric sizes. Distances are calculated in feet; values in pa-
rentheses are meters.
Wire Gauge
Tot al 20 18 1614 1210
vA (0.5 mm2) (1.0 mm2) (1.5 mm2) (2.5 mm2) (4.0 mm2) (6.0 mm2)
10 283 451 716 1142 1811 2880
(86) (137) (218) (348) (551) (877)