Also called the pigtail pigtail line, only one end of a connecting head, and the other end is a piece of optical fiber breakage, connected with the other fiber core by welding, often appear in the optical fiber terminal box for connecting cable and fiber optic transceiver (also used jumper coupler, etc.).
Divided into multimode and single-mode fiber pigtail pigtail.
Multimode pigtail is orange, the wavelength is 850nm, the transmission distance is 500m, for short distance interconnects.
SMF is yellow, there are two kinds of wavelength, 1310nm and 1550nm, the transmission distance of 10km and 40km.
ITU-T ITU-T for ITU Telecommunication Standardization Sector, three kinds of commonly used fibers, which conform to G.652 specifications, conform to G.653 specification, and conform to the specification G.655 fiber, are standardized.