A fiber optic connector is a passive device used to terminate, connect, and disconnect fiber optic cables, enabling efficient light signal transmission between devices or cables. They feature a ferrule to precisely align fiber cores, minimizing light loss. Common types include LC, SC, ST, and MPO/MTP connectors used in data centers and telecom networks. They facilitate rapid connection and disconnection compared to splicing, allowing for network reconfiguration, testing, and maintenance. The main parts are the housing (body) and the ferrule, which holds the glass fiber. LC(Lucent Connector) is a Small form factor (1.25mm ferrule), widely used for high-density, high-speed networks. SC(Subscriber Connector) is a snap-in, push-pull connector known for high performance and ease of use. ST(Straight Tip) is a Bayonet-style connector frequently used in commercial and industrial applications. MPO/MTP(Multi-fiber Push-On) is a high-density connectors combining 12-72 fibers, ideal for 40G/100G+ data center applications. Connectors are polished to minimize back reflection, with common types being PC (Physical Contact), UPC (Ultra Physical Contact), and APC (Angled Physical Contact), usually identified by color (e.g., green for APC). They support both single-mode (long-distance) and multimode (short-distance) fibers.
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