The LC pigtail is a fibre optic cable usually short, with factory pre-installed LC connector on one end, and another end left empty. This pigtail is used to attach one device to another for signal routing. LC stands for Lucent Connector. It is a small form-factor fibre optic connector，half the size of the ST. This pigtail is very popularly used in many network solutions. These network solutions include telecommunication networks, LANs, data processing networks, device terminations and premises distributions. LC patch cords are designed to deliver fast ethernet solutions in Gigabit applications and ATM applications with less space consumption.