Structure 5
2.3.2 Cable Requirement
75 ohm.
Pure copper cored cables.
95% braided copper shielding.
For RS-485 communication
cable, see “Appendix 2 RS-485 Cable”.
Table 2-4 Cable model
China Model
International Model
Maximum Transmission Distance (Ft\M)
RG59/U
RG59/U
750 ft/229 m
5C
–2 V
RG6/U
1,000ft/305 m
7C
–2 V
RG11/U
1,500ft/457 m
Cable specifications above are only applicable to analog Cameras and PTZ network cameras.
2.3.3 Selecting Power Cables
For 24V AC power supply devices, see “Appendix 3 Relationship between Cable Diameter
(24V AC) and Transmission Distance
For 36V DC power supply, see “Appendix 4 Cable Diameter (36V DC) and Transmission
Distance Relationship
