Fiber Patch Cords are used to connect one device to another for signal transmission. The fiber patch cord is a connector that is installed at both ends for the device, connectorized cable assemblies are cord-type fiber optical cables terminated with connectors at both ends. The type of cable fiber and connector and the length of the patch cords can be freely specified, according to the structure of the connector, it can be divided into FC, SC, ST, LC, MPO and the like