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  • 06/01/2021
    Installation error of explosion proof electrical equipment (1)

    Explosion proof electrical equipment is widely used in coal, petroleum, chemical, pharmaceutical, textile, machinery manufacturing and other industries where explosive gas, steam, combustible dust or fiber and other dangerous substances may appear or gather. According to the survey, 60% – 80% of the explosion and fire accidents are caused by improper installation and use of… Continue reading Installation error of explosion proof electrical equipment (1)

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  • 06/01/2021
    Function, operation and main technical parameters of emergency telephone

    1. Function description 1) Wall mounted installation, beautiful appearance, magnetic door cover design; 2) SMC forged shell, strong corrosion resistance, waterproof and dustproof grade up to IP66; 3) It supports sip2.0 protocol and can register two SIP accounts; 4) Support free dialing or off hook automatic dialing; 5) Support automatic connection of incoming calls and… Continue reading Function, operation and main technical parameters of emergency telephone

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  • 06/01/2021
    How to choose a telephone?

    First, the choice of telephone should be suitable for the layout of the family, some of the decoration is simple, or the furniture in the home is solid wood furniture, so when you choose the telephone, you can choose the palace style telephone, or the solid wood handle telephone, which is more suitable for family… Continue reading How to choose a telephone?

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  • 06/01/2021
    Analog hybrid voice gateway.

    The analog voice gateway mainly coordinates the IP broadcast telephone in the pipe rack with the extension telephone of the program-controlled exchange, including the relay function for the incoming and outgoing calls of the external local telephone, so as to ensure the integration of different communication modes to form the same call network and access… Continue reading Analog hybrid voice gateway.

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  • 06/01/2021
    1. Scheme introduction of IP telephone emergency broadcast system in tunnel pipe gallery.

    1. Product function 1)Dispatching operation: call, no call, forced insertion, forced disassembly, proxy connection, monitoring, multicast, broadcasting, conference, night service, IP linkage telephone 2)Monitoring function: user status can be indicated by icon color and text: call, ring, call; 3)Call and call: dial up call, call answering, multi line switching; 4)Management functions: system management, group management,… Continue reading 1. Scheme introduction of IP telephone emergency broadcast system in tunnel pipe gallery.

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