Lucent Connectors, typically known as LC connectors, were developed by Lucent Technologies as a small form factor solution to fiber optic connections. They have some of the smallest ferrules at just 1.25mm thick, making them a sm. Lucent Connectors, typically known as LC connectors, were developed by Lucent Technologies as a small form factor solution to fiber optic connections. They have some of the smallest ferrules at just 1.25mm thick, making them a small-form-factor fiber connector type. Their size, square shape, and duplex header design make them ideal for heavily popu. SC connectors were developed by the Japanese telecoms company, NTT, and though the original name may have been “Subscriber Connector,” they're colloquially known as Standard Connectors or SC Connectors. They're a square-shaped, duplex connector that uses a 2.5mm ferrule and has a push-pull mechanism to latch them in place. This makes them more robu. ST connectors were developed by AT&T and were one of the first fiber connector types to see widespread adoption in fiber optic networks all over the world. The Straight Tip (ST) design has a 2.5mm ferrule, the same as SC connectors, and can be used interchangeably with that alternative connector type when using a hybrid adapter. It features a sprin. FC connectors are so named because they were the first to be built with a ceramic ferrule with a stainless steel screw mechanism for attachment. This is in stark contrast to the plastic bodies of most other fiber connector types, like SC, and LC connections. FC connectors are designed to provide a much more robust connection that is almost immune t. MPO connectors, sometimes marketed interchangeably with MTP connectors, are simplex fiber connector types with a push/pull latch system that locks them into place. While MTP is largely a branding choice rather than a distinct connector type, the connectors were designed with higher-performance networks in mind, while MPO connectors are more commonl.