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18 C3401M-A (1/06)
Table F.
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.
NOTE:
Power consumption is 21 VA per unit. Use a power source with a minimum of 21 VA per unit.
Voltage
Wire Gauge
18
(1.0 mm
2
)
16
(1.5 mm
2
)
14
(2.5 mm
2
)
12
(3.5 mm
2
)
24 VAC
215 ft
(97 m)
341 ft
(154 m)
542 ft
(245 m)
863 ft
(391 m)
Table D. Interface Cable Wiring
Pin Color Function
1 ORANGE UTP-
2 WHITE/ORANGE UTP+
3 GREEN RX-
4 WHITE/GREEN RX+
5 BLUE TX-
6 WHITE/BLUE TX+
7 NOT USED
8 NOT USED
9 BROWN 24 V
10 WHITE/BROWN 24 V
Table E. Video Coaxial Cable Requirements
*Cable requirements:
75-ohm impedance
All-copper center conductor
All-copper braided shield with 95% braid coverage
Cable Type* Maximum Distance
RG59/U 750 ft (229 m)
RG6/U 1,000 ft (305 m)
RG11/U 1,500 ft (457 m)