Dahua Pro Series - Installation; Cable Preparation and Selection

Installation 7
4 Installation
 Make sure the mounting surface is strong enough to hold at least eight times of the camera
weight.
 The following figure is for reference only, and the actual product shall prevail.
Cable Preparation 4.1
Selecting Needed Video Cable
 75 ohm.
 Full cable with copper conductor.
 95% knitted copper shield.
Table 4-1 Video cable
International Model
Max Transmission Distance (Ft/M)
RG59/U
750Ft/229M
RG6/U
1,000Ft/305M
RG11/U
1,500Ft/457M
Selecting Needed Power Cable
It is recommended to implement according to the following requirements when the users need
to lengthen the power cable.
Max. Transmission distance is recommended when the size of wire diameter is fixed and DC
12V voltage transmission power is 10W. Please refer to the following table for more details.
Table 4-2 Power cable
Wire Diameter (mm)
Max. Distance (Feet/M)
0.800
61.06（18.61）
1.000
95.41（29.08)
1.250
149.08（45.44）
2.000
381.66（116.33）
Selecting Needed Signal Cable
All signal cables (audio, alarm input and output and RS-485 etc.) are recommended to use
0.56mm (24AWG) and above cable as lengthened wire signal cable.