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First, the functional description:
With the increasing complexity of road conditions and the timely delivery, sharing, and exchange of information, a powerful highway broadcast intercom management system is naturally required. Use the existing network of toll stations to formulate an efficient, reliable, and stable "network highway broadcast intercom system."
In the monitoring rooms of each toll station, there are intercom hosts, each lane toll booths set intercom extensions, tunnel set-up help intercom extensions, service areas and other common areas to set horns and columns, which can achieve the following functions:
, help for the police: each toll booth in case of emergency can be connected to the extension or extension of the hidden button to the station monitoring room host emergency alarm; each tunnel and other help points, in case of emergency alarm to the monitoring center.
Two-way intercom: Each toll booth extension can communicate with the host of the station monitoring room; two public address points can communicate with the monitoring center. Intercom can be linked with video surveillance.
Broadcasting in the region: The monitoring center can broadcast MP3 files, external audio broadcasts, and Internet radio broadcasts to public areas such as toll booths, service areas, and tunnels.
, Partition broadcasting: The monitoring center can perform zone broadcasting on the designated area as required, and the volume of each zone can be individually adjusted.
Broadcasting propaganda: The monitoring center may issue emergency broadcast propaganda and notifications for the entire region, multiple districts, and single districts; the leadership office may call the propaganda to the designated area to facilitate the issuance of emergency broadcast announcements or speeches.
Second, system equipment and instructions
, YAH server: YAH server is the most important part of the system, responsible for the audio and signaling processing of all devices.
, Network Paging Microphone: The NM 803 Internet Paging Microphone can be used as a center of broadcast to shout to the scene. Use a dedicated network microphone for faster operation and clearer calls.
, Network broadcast horn: NA 744-30W network broadcast horn is a highway dedicated broadcast terminal, with penetrating power and other characteristics. The terminal is waterproof, easy to install and suitable for outdoor use.
, wall-mounted network intercom terminal (tunnel): waterproof design YAH605 is a high-speed km private network intercom terminal, using 10W waterproof speakers, intercom sound. YAH605 is equipped with two buttons to call two different hosts.
, Desktop network intercom terminal (toll booth): desktop NM804 is a dedicated intercom terminal, desktop design, using gooseneck microphone. The NM804 is equipped with two buttons to call two different sip hosts.
Third, the configuration list
Fourth, the system structure diagram: