IR Speed Dome Installation Manual
9
Please choose the video cables according to the transmission length. It should meet following
requirements: 75Ω resistance; 100% copper core conducting wire; 95% weaving copper shield.
2.
For RS485 communication cables, please refer to Appendix 2
3.
For 24V AC power cables, please refer to Appendix 3
For AC power supply, the maximum transmission distance (L(m)) is limited by the bare cable’s
cross-sectional area(S (mm²)) of the dome.
For IR speed dome, L (m) = 50 * S; while for network IR speed domes, L (m) =40 * S.
For example, if the cross-sectional area of bare cable is 1mm ², the transmission distance of IR speed
dome and network IR speed dome should not exceed 50m and 40m respectively.
1.2.2 Cabling Instructions
4.
Internal cables
For analog cameras, all the internal cables have been connected to corresponding interfaces; for
network cameras, network cable, power cable and video output cable have been connected.
5.
External cables
To connect external cables to corresponding equipment, please refer to the cable labels as shown in
Figure 1.10 and 1.11.
Figure1. 10 Analog Speed Dome Integrated Cables