
360_VisionDome_Int_&_Ext_Inst_manual_V2.03_2006-03-14.doc Page 5 of 25
VisionDome Installation Manual
©360 Vision Technology Ltd Version 2.03
5.
Cable & Wiring Requirements
SUITABLE CABLES
Cable type:
Maximum Distances
Video:
RG59BU (Poorer Quality)
250m
RG59BU (Good Quality),
RG11, CT125
1000m
RS485 Twisted
Pair:
Belden 9841, Belden 9842, Belden 8723,
Single Twisted Pair OS
3000m
Cable size
Internal VisionDomes
and Vision-
i
-Domes
(No Heater)
Maximum Distances
(Using VDI-PSU)
External VisionDomes
(With Heater)
Maximum Distances
(Using VDE-PSU
or VDE-MALARM-EU)
Power
0.75 mm
2
75m
30m
1.00
mm
2
100m
40m
1.25
mm
2
125m
50m
1.50
mm
2
150m
60m
2.50
mm
2
250m
100m
Distances are measured in metres
To ensure optimum VisionDome performance these parameters must be adhered to. Failure
to do so will invalidate the warranty.