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6 Pelco Manual C332M-D (10/98)
REQUIRES EXTERNAL
POWER SUPPLY
Table A. Requirements to Wire Power to Pan and Tilt Motors
Model Wire Size Maximum Distance "A" Maximum Distance "B" Maximum Distance "B"
(AWG) (5 Conductors*) (6 Conductors**)
PT573R 20 5,800 ft (1,768 m)*** 1,045 ft (318.52 m) 2,080 ft (633.98 m)
(120 VAC) 18 8,250 ft (2,515 m) 1,665 ft (507.49 m) 3,330 ft (1,014.98 m)
16 13,000 ft (3,962 m) 2,640 ft (804.67 m) 5,285 ft (1,610.87 m)
PT573-24R 20 5,800 ft (1,768 m)*** 40 ft (12.19 m) 85 ft (25.91 m)
(24 VAC) 18 8,250 ft (2,515 m) 65 ft (19.81 m) 135 ft (41.15 m)
16 13,000 ft (3,962 m) 110 ft (33.53 m) 220 ft (67.06 m)
NOTE: If RB24 or RB115 Relay Box is not used, maximum cable length is distance “B.”
* Conductors are for up, down, left, and right functions, plus motor common. Cable distances are calculated with both
motors (pan and tilt) running and assuming a 10% voltage drop in the cable.
** Same as five conductors except two wires are used for motor common.
*** Not recommended for reliable service between control and relay box.
A
B
RB 115
OR RB24
CONTROL