Installation Preparation; Basic Requirements; Installation Check; Cable Preparation - Dahua SD22204DB-GC Installation Manual

1.1 Basic Requirements

● All installation and operations shall conform to your local electrical safety regulations, fire
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.

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.
● For cables applicable to network devices and their maximum transmission distance, see Table 1-
1.
● For cables applicable to HDCVI devices and their maximum transmission distance, see Table 1-2.

1 Installation Preparation

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