Building intercom installation requirements and precautions

Installation method: It can be embedded on the door; it can also be embedded on the wall. Installation height: typical value: 1450mm, can be adjusted according to the site conditions.
Precautions:
1. Do not expose to wind and rain. If it is unavoidable, please add a rain cover.
2. Do not face the camera lens with direct sunlight or strong light, and try to ensure that the light in front of the camera lens is uniform
uniform. Color cameras should consider visible light compensation at night.
3. The connection line should consider the drip line at the entrance of the host.
4. Do not install in a place where the background noise is greater than 70dB, and do not install near strong magnetic fields.
Description:
1. The switch is cascaded for networking in the building, but it should not exceed 3 layers to avoid network congestion and affect the intercom effect;
2. When wiring, pay attention to the ultra-category 5 large communication distance not exceeding 90 meters, controlled within 60 meters;
3. The fiber optic transceiver is used to build the fiber optic network between the buildings to the management center;
4. The indoor unit is powered by a centralized power supply (DC12V), and 12V /, 10A, 20A specifications can be selected according to the site conditions.

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