optical cable for internet，what is fiber optic patch cable？With the rapid development of the Internet, do you know how to transmit optical signals? It is an optical cable, which can transmit various optical signals. Sometimes optical cables are also made into optical fiber jumpers. What is an optical fiber jumper? It is to install fiber optic connectors at both ends of the fiber optic cable. There are many fiber optic patch cord factories in China, and there are also manufacturers abroad.