![]() ![]() SFF connectors are typically 50% smaller than standard SC and ST fiber products. The LC Connector family provides a size reduction relative to traditional connectors, which has coined the term Small Form Factor connectors (SFF). The connector is defined as the plug portion equipped with a tunable cylindrical ferrule while incorporating unique trigger and latch features. The connector family includes but not limited to Jumper Connectors, Behind the Wall connectors (BTW), Adapters, Attenuators, Jumpers and an assortment of connector modules and panels. The LC Connector Product is a robust optical connector designed to support Telecom and Datacom networks. The LC family of connectors includes a stand-alone simplex design a “behind the wall” (BTW) connector and the duplex connector available in both single mode and multimode tolerances, all designed using the RJ-style latch. LC connector utilizes traditional components of a SC duplex connector having independent ceramic ferrules and housings with the overall size scaled down by one half. LC connector was developed by Lucent Technologies and is a more evolutionary approach to achieving the goals of a SFF (small form factor) connector. For example, some people find the SC preferable for patch panels because the SC is much easier to swap the cables in the duplex boot than LC.You can get LC connectors from Fiber Optics For Sale Co. Also, nowadays, GBICs are difficult to buy, where SC is the standard.Īlthough standardization matters due to SFP+ and QSFP+, the SC would still be one of the best choices for years. And the LC connector is ideally suitable for higher-end QSFP+ or QSFP28 and 40 GbE or 100 GbE networking. To put it simply, the LC seems more likely to win the competition eventually, as the packaging density is increasingly vital for us. Also, you can use cassettes to hold multiple LC or SC links over an MTP cable. The SC-LC and the LC-SC hybrid adapters/patch cords are to adapt. It’s easy to convert SC to LC and vice versa. ![]() Mating SC-LC using a hybrid adapter or cord Notwithstanding, it’s speedily catching up in its favor due to its small size. Released in 2002, the LC is much younger. History and ReputationĪppeared in 1991, the SC has a good record over thirty years. The table above shows that the SC has 1000 mating cycles, twice as many as LC. However, due to its smaller size, the LC is more difficult to insert/take out when compared with the SC. Due to its relatively larger size, it is less ideal for high-density environments.ĭue to its smaller footprint, the LC has massive popularity in high-density environments, such as data centers and telecom switching centers. The SC is more suitable for applications that call for high precision signals and are more sensitive to return loss. Generally, the SC is cheaper than the LC, but the cost gap between them will gradually narrow with the economy of scale. The LC features a push/pull motion with a latch, while the SC takes a snap-in coupling design. It has been widely used in singlemode fiber optic cable, analog CATV, GPON, GBIC, EPON ONU’s, Fiber Media Converters, and datacoms and telecom applications, like point-to-point and PON.Ĭovered in the FOCIS 3 Fiber Optic Connector Intermateability Standard TIA-604-3, the SC remains the second-best choice of fiber connector for simplex applications, duplex applications, and polarization-maintaining applications. Due to good performance and fast deployment, it was the best connector till the coming of the LC. Thanks to its increasing popularity in the market, its manufacturing cost decreased. Owing to its initial high price, twice as expensive as an ST, the SC at first didn’t make a hit. ![]() It was the first connector standardized in the telecommunications specification TIA-568-standard in 1991. The SC features a snap-in coupling mechanism, a square shape, and a spring-loaded 2.5mm ferrule. Designed by JP Nippon Telegraph and Telephone, it was among the first connectors to enter the market after the advent of ceramic ferrules. The SC is the acronym for Subscriber Connector, also known as a square connector, sometimes called the stick-click connector or the standard connector. However, do you know which one best suit your project? Which one is more promising? Regarding this question, we want to dig a little deeper into the difference between the SC and LC fiber connectors. As we all know, they can’t interchange with each other and differ in design and dimension. Both rugged connectors have the same good performance and offer a moderate cost. Nowadays, the SC and LC fiber connectors are recognized as the most popular choices of connectors. ![]()
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