Second, emergency connection, also known as cold melting: mainly through mechanical and chemical methods, two optical fibers are fixed and bonded together. The main feature of this method is fast and reliable connection, but after long-term use, the connection point will be unstable and the attenuation will increase greatly, so it can only be used urgently in a short time;
3. Movable connection: Movable connection is a method of connecting stations or stations with optical cables by using various optical fiber connectors, plugs and sockets. This method is flexible, simple, convenient and reliable, and is often used for computer network wiring in buildings.
What are the majors in vocational schools?
1, mechatronics-a wide range of specialties and rapid development. Therefore, for many students, esp