Fiber optic patch cord is one of most commonly used components in fiber optic network.Generally there are two types of fiber optic patch cords: single mode patch cords and multimode patch cords. Here the word mode means the transmitting mode of the fiber optic light in the fiber optic cable core. Usually single mode fiber optic patch cord are with 9/125 fiber glass and is yellow jacket color, multi mode fiber optic patch cord are with 50/125 or 62.5/125 fiber glass and is orange color.
Fiber pigtail is a piece of fiber optic cable with only one fiber optic connector on one side of the cable, there are single mode and multimode fiber optic pigtails, which can be with various types of fiber optic terminations such as SC, FC, ST, etc