Справочник Пользователя для Pelco PT780-24P/PP
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
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.
NOTE: Relay boxes can not be used with 12 VDC pan/tilts.