How to set up a fire phone?

basic concept

Fire Phone: A telephone system used for calls between the fire control room and various parts of the building. It consists of fire-fighting telephone exchanges, fire-fighting telephone extensions, and fire-fighting telephone jacks. Separate dedicated systems that separate fire-fighting phones from regular phones generally use centralized intercom calls.

Fire-fighting telephone exchanges: In the multi-line fire-fighting telephone system, each fixed fire-fighting telephone extension occupies all the way to the fire-fighting telephone host; the bus-based fire-fighting telephone switchboard is a new type of fire-alarm communication device that passes two buses and 24V power lines and A fire alarm communication system formed by a telephone module, a telephone jack, and a telephone extension.

Fire-fighting telephone extension: The fixed-type fire-fighting telephone extension has the function of being called by ringing and off-hook calls, and is used in conjunction with the fire-fighting telephone host; the portable fire-fighting telephone extension can be inserted into the jack to call the host, which is convenient to carry.

Setting place

The fire-fighting telephone's switchboard is located in the fire control room and is an important part of the fire-fighting telephone; the fire-fighting telephone extension is installed in key parts of the building (such as fire pump room, generator room, transformer room, computer network room, main ventilation and Air-conditioning room, smoke-exhalation room, fire-fighting control system operation device, etc.), capable of full-duplex voice communications with fire-fighting telephone exchanges; fire-fighting telephone jacks installed in various places of the building, and the telephone handle can be connected to the fire-fighting telephone switchboard Communication.

Design requirements

The reliability of fire-fighting telephone lines relates to whether the fire-fighting communications command system is unblocked during fires. Therefore, the new Fire Regulations emphasizes that the fire-fighting telephone system should be an independent fire-fighting communications system, that is, it cannot use general telephone lines or integrated wiring networks ( PDS). System) Instead of fire-fighting dedicated telephone lines, fire-fighting private telephone networks should be independently wired.

The fire control room shall be equipped with a fire-fighting special telephone switchboard.

In order to ensure the reliability of the fire-fighting special telephone, the call between the fire-fighting special telephone exchange and the telephone extension or jack should be straight-through, and there should not be an exchange or transfer procedure in the middle, that is, a common-electricity direct-through telephone or pair should be selected. Talk about the phone.

In case of fire, the communication with the main places of the fire fighting operation must be unblocked to ensure the normal operation of the firefighting operation. Therefore, the provisions for the telephone extension or telephone jack shall meet the following requirements:

1. Fire-fighting water pump room, generator room, distribution transformer room, computer network room, main ventilation and air-conditioning room, smoke-exhalation room, operation control unit of fire-extinguishing control system or control room, fire-fighting station of enterprise, fire-fighting duty room, general dispatch room , Fire-fighting elevator room and other fire-fighting linkage control related and often manned machine rooms should be set up fire-specific telephone extensions. The special fire-fighting telephone extensions should be fixedly installed in the obvious and easy-to-use areas and should be distinguished from the ordinary telephones.

2. With manual fire alarm button or fire hydrant button, etc., telephone jacks should be set up, and manual fire alarm buttons with telephone jacks should be selected.

3. Each fire evacuation layer shall be provided with a fire-fighting dedicated telephone extension or telephone jack every 20m .

4. When the telephone jack is installed on the wall, the height of the bottom edge from the ground should be 1.3-1.5m .

5. Fire control rooms, fire duty rooms or corporate fire stations are the main sites for fire fighting operations. Therefore, the new Fire Regulations emphasizes that external telephones that can be directly alerted should be set up.

The information in this article comes from the Internet and was reorganized and edited by China Rescue Equipment Network.