A patch cord is a fibre optic cable 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 patch cable is popularly used in many applications. 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.