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16 Pelco Manual C342M-D (8/05)
Table C. Maximum Cable Distances Using RB24 or RB115 Relay Boxes
RELAY
BOX
CONTROL
A
B
REQUIRED EXTERNAL
POWER SUPPLY
Wire Size Maximum “A” Maximum “B”
Distance Distance
20 AWG* 5,800 ft (1,768 m)
18 AWG 8,250 ft (2,515 m) Use Table B
16 AWG 13,000 ft (3,962 m)
* Not recommended for reliable service between control and relay box.
NOTE: Relay boxes can not be used with 12 VDC pan/tilts.