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NEWS

  • Making of network cable
    1. Use the trimming blade of the crimping pliers to cut the appropriate length of the network cable.
    2. Use the cutting edge of the crimping pliers to cut the end of the thread neatly, and then put the end of the thread into the stripping knife, let the end of the thread touch the baffle, slightly hold the crimping pliers and rotate slowly, and use the knife to cut the protective rubber of the twisted pair. , Pull off the rubber.
    3. Each pair of wires are entangled with each other. When making a network cable, the 8 wires should be disassembled one by one, and then arranged neatly in accordance with the specified wire sequence.
    4. Straighten and flatten the network cable as much as possible, arrange one end in the order of white, green, green, white orange, blue, white blue, orange, white brown, and brown from left to right, and use the crimping pin to hold the end of the thread. Cut evenly. If the leftover skin is too long, you can cut the too long thin wires short and keep about 14mm. This length is just enough to insert the thin wires into their respective wire slots, and the crystal plug can just press the sheath to prevent the cable from being removed. The crystal head came out.
    5. Use the thumb and middle finger of your left hand to pinch the crystal head, make the side with the plastic shrapnel down, and the pin side facing away from you, and hold it with your index finger; pinch the rubber outside the twisted pair with your right hand, and slowly force 8 The wires are inserted along the 8 wire slots in the crystal head at the same time, all the way to the top of the wire slot.
    6. After confirming that all the wires are in place and checking the wire sequence, push the crystal head into the crimping tool clamping slot, and then firmly hold the wire pliers to press all the pins protruding from the crystal head into the crystal head.
    7. Make the other end of the network cable in the same way. Note that the line sequence at this time is white orange, orange,

  • The popularity of computers and the rapid development of technology have eliminated many computer peripherals; the connection methods of computer peripherals are also diverse, from the early PS2 interface that supports the keyboard and mouse and the 25-pin large parallel port transmission line of the old printer to the present HDMI video cable, with the update of the equipment, there will be more peripheral cables with different interfaces in the future; today I will lead you to review the standard cables of computer peripheral peripherals.

    AV video cable; In the DVD era, this is a new generation of transmission cable upgraded from RF cable, which separates the transmission of sound and image for the first time; AV cables are still widely used by everyone. AV audio cable; mainly used to connect the computer to the power amplifier equipment, and input audio from the computer to the audio equipment.

    The COM port cable (also known as R232) is mainly used to connect older computer peripherals; for example, printer R232 to USB: It is mainly used to convert some devices because they are too old to be supported by the computer. For example, old-fashioned printers, current computer motherboards do not support the COM interface, and the old device can continue to be used with this cable.

  • But when it comes to 5G, it seems that the public can only think of the advantage of faster speed, and there is no inevitable connection with smart homes. But in fact, 5G and smart home are closely related. It can be said that the real realization of smart home needs to be promoted and realized by 5G. So let me talk about the advantages of 5G first:

    1. High speed, up to 10 Gbit/s, 100 times faster than the previous 4G LTE cellular network;

    2. Ultra-low latency, 5G requires a minimum latency of about 1ms, while 4G is 30-70ms;

    3. Super large network capacity, providing the connection capacity of millions of devices, meeting the communication of the Internet of Things;

    4. The spectrum efficiency is more than 10 times higher than that of LTE;

    5. With continuous wide-area coverage and high mobility, the user experience rate can reach 100Mbit/s, and movies can be watched at high speeds;

    6. The flow density and connection number density are greatly improved;

    7. The system is coordinated, and the level of intelligence is improved, showing the assistance of multiple users, multiple points, multiple antennas, and multiple captures.

    In the 4G era, home security is limited by bandwidth resources, network tariffs, signal interference and other factors. HD surveillance always suffers from freezes or signal loss. With the advent of the 5G era, the network will have larger bandwidth, faster transmission speeds and more stable signals. The problems that plague home security will be solved. Home security will usher in the real-time high-definition era, realize mobile monitoring, and better protect the family. Security becomes a reality.

    As more and more devices can be connected, the wireless connection between smart homes and smart communities, and wireless connection between smart communities and smart cities is also possible. Perhaps in the near future, people will be able to enjoy the convenience of smart life and smart travel.