Conventional is one of the oldest types of fire alarm systems, which, despite the slight changes, is still used. In this system,

several detectors and thumbs that cover an area of ​​the building are connected to a central control panel in the form of an interconnected circuit.

Therefore, each orbit represents a logic.

In public buildings, the announcement of a small boat may cause a lot of fear or disturbance in the normal course of work, hence the use of

pre-notification systems in two-stage systems is more appropriate.

As shown in the illustrations, how to align discovery equipment with the central control panel is a radial, or in other words, radial.

Each conventional central control panel can support 2,4,8 or more circuits.

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