Single-mode fiber pigtails, identified by their yellow color, use a 9/125 micron cable and are terminated with a single-mode fiber connector. ) fitted on one end and the other end undressed (for connection through fusion or splicing) to the main fiber optic cable. Available in OS2/OM3/OM4 at factory-direct wholesale pricing. 5/125 micron or a. Fiber Optic Pigtails are mainly categorized into single-core, dual-core, 4-core bundled pigtails, 12-core bundled Fiber Optic Pigtails, 12-color bundled pigtails, SC bundled Fiber Optic Pigtails, FC bundled pigtails, LC bundled pigtails, and ST bundled pigtails. The color of the outer sheath of the multimode pigtail is orange, the wavelength is 850nm, and the transmission distance is 500m, which is used for. Among the various options available, singlemode fiber pigtails and multimode fiber pigtails are the two most widely used types.