Boston Dynamics is a robotics company originally owned by Alphabet and recently sold to the Softbank Group. But no matter who sold it, the company seems to have been idle. Some time ago, the research results of robot backflip were released. Recently, Boston Dynamics announced a video of a robot dog on the Internet. The robot dog in the video is particularly high. It will also work together to make people look at it. The robot dog teamed up and cooperated to open the door with "high IQ". The picture is from the second shot video. According to IT House, Boston Dynamics has added a controllable robotic arm to the "head" of the robot dog. The addition of the robotic arm allows the "dog" to do more (such as opening the door), the robot dog in the video. Use the "paws" to accurately hold the door handle and open the spring door. When you finally walk, use the mechanical arm to hold the door. The "IQ" bursts. In general, robots have a lot of limitations in collaboration (cooperative communication), but this video shows us the power of the Boston Dynamics team, they integrate robots into collaboration technology, robots can complement each other, and they can't do it themselves. Completed tasks. (Author: Dragon)
Optical fiber jumpers are used to make jumpers from equipment to optical fiber cabling links. There is a thicker protective layer, which is generally used in the connection between the optical transceiver and the terminal box, and is used in some fields such as optical fiber communication systems, optical fiber access networks, optical fiber data transmission, and local area networks.
Optical fiber jumper (also known as optical fiber connector) means that both ends of the optical cable are equipped with connector plugs to realize the active connection of the optical path; one end with a plug is called a pigtail. Optical Fiber Patch Cord/Cable is similar to coaxial cable, except that there is no mesh shielding layer. In the center is the glass core through which light propagates. In a multimode fiber, the diameter of the core is 50μm~65μm, which is roughly equivalent to the thickness of a human hair. The single-mode fiber core has a diameter of 8 μm to 10 μm. The core is surrounded by a glass envelope with a lower refractive index than the core to keep the optical fiber in the core. On the outside is a thin plastic jacket to protect the envelope.
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Optical fiber jumpers (also known as optical fiber connectors), that is, optical fiber connectors that are connected to optical modules, are also available in many types, and they cannot be used mutually. The SFP Module is connected to the LC fiber optic connector, and the GBIC is connected to the SC fiber optic connector. The following is a detailed description of several commonly used optical fiber connectors in network engineering:
â‘ FC-type fiber jumper: The external strengthening method is a metal sleeve, and the fastening method is a turnbuckle. Generally used on the ODF side (most used on the distribution frame)
â‘¡SC type optical fiber jumper: the connector for connecting the GBIC optical module, its shell is rectangular, and the fastening method is a plug-in latch type, without rotation. (Most used on router switches)
â‘¢ST type optical fiber jumper: commonly used in optical fiber distribution frame, the shell is round, and the fastening method is turnbuckle. (For 10Base-F connection, the connector is usually ST type. Commonly used in optical fiber distribution frame)
â‘£LC type optical fiber jumper: the connector to connect the SFP module, it is made by the easy-to-operate modular jack (RJ) latch mechanism