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Dahua SD4E425GB-HNR-A-PV1 - Installation Preparation; Basic Requirements; Installation Check; Cable Preparation

Dahua SD4E425GB-HNR-A-PV1
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1 Installation Preparation
1.1 Basic Requirements
All installation and operations shall conform to your local electrical safety regulations, re
protection regulations, and other relevant regulations.
Make sure that the application scenario conforms to installation requirements. Contact your
local retailer or customer service center if there is any problem.
Use the Device according to the operating environment.
Keep the original packing material well because you might need it to pack the Device and send
it back for repair.
1.2 Installation Check
Make sure that the place where the Device is installed has enough space to hold the Device and
its mounting accessories.
For PTZ cameras, make sure that the place where the Device is installed can sustain at least 4
times the weight of the Device and its mounting accessories; for speed domes, make sure that
the ceiling and wall can sustain 8 times the weight of the Device and its mounting accessories.
Do not install the Device at risky or unstable places.
Make sure that the wall is thick enough to install expansion bolts (Users need to buy expansion
bolts separately).
For speed domes support intelligent tracking, illegal parking capture or laser, make sure that the
mounting height is over 6 m.
For laser PTZ, make sure that the mounting height is over 10 m.
Support wall mount and plane mount, xed with M8 × 25 hex ange assembling bolts.
1.3 Cable Preparation
Select the video cable depending on transmission distance.
1.3.1 Video Cable Requirements
75 ohm.
Pure copper cored cables.
95% braided copper shielding.
Table 1-1 Cables and maximum transmission distance (network)
Model
Maximum Transmission Distance (ft/m)
RG59/U 750 ft/229 m
RG6/U 1,000 ft/305 m
RG11/U 1,500 ft/457 m
1

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