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Bus fire telephone jack

Bus fire telephone jack

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Fire emergency broadcast and telephone system

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    • Commodity name: Bus fire telephone jack

    Bus fire telephone jack

    The bus fire telephone jack is one of the components of the bus fire telephone system and must be used with the bus fire telephone switchboard. In case of emergency, the user can plug the portable fire telephone extension into the jack of the machine to call the switchboard. The local DIP switch preset 7-bit code, valid code range 1-99. Addresses 0 and greater than 99 are invalid. Coding can be set at the time of installation according to the needs of the project.

  • Standby current < 3mA
    Call current < 30mA
    Frequency range 300 ~ 3400Hz
    Address range 1 ~ 99
    Ambient noise ≤ 60dB
    Humidity range ≤ 95% RH
    Operating temperature -10℃ ~ +50℃

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