Guide,the,Most,Common,Types,Fi technology A Guide to the Most Common Types of Fiber Optic Connectors

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Unlike Category-5 network cables, which havea standardized connector setup, fiber optic cables can employ anynumber of connector schemes in order to make connections with patchpanels, switch boxes, and the various network implements that comprisea data system. Each of the different types of fiberoptic connectors offersits own advantages and disadvantages, and hasits own specific applications to which it is best suited. Below is alist of some of the most common types of fiber optic connectors, theircommon uses, and the advantages they can bring to your fiber opticnetwork. SC Though there aremore varieties of fiber optic connector on the market than can beadequately discussed here, the number of fiber optic connectors you’relikely to encounter in a professional setting are relatively few. SCfiber optic connectors are one of the most common types of connectorused for commercial purposes and knowing about them will be essentialfor anyone working with a fiber optic network. Theone outstanding advantage of SC fiber optic connectors is their snap-indesign. This design allows them to connect easily with other networkimplements. SC connectors have 2.5mm ferules and are well known fortheir reliable performance. Though they are typically simplex(unidirectional) in nature, SC connectors with duplex (bidirectional)formatting are available as well. SC connectors havewidespread use in recent years, thanks to a welcome reduction in price.Previous to this price reduction, SC connectors were often subbed outfor the less expensive, though still technically impressive, STconnector. ST ST fiber opticconnectors have a 2.5mm ceramic ferrule, much like the SC fiber opticconnector. However, whereas SC connectors mate via a snap-in mechanism,ST connectors use a spring-loaded cinch to couple with other networkimplements. You’ll typically find ST connectors inolder, large-scale multimode networks, such as those found on businessor academic campuses. The term “multimode” refers to fiber optic cablesthat allow multiple propagation paths along which data can pass. STconnectors have been largely superseded on the consumer market by morerecent connector schemes, but they can still deliver a satisfyingperformance to any large-scale network. FC Unlikethe SC and ST connectors we just discussed, FC fiber optic connectorsare typically used with singlemode fiber optic cables—cables thatprovide one propagation path along which information can travel.Singlemode fiber optic cables are typically used for cabling overlonger distances than multimode fiber optic cables. Many datacom andtelecom systems employ FC connectors for this purpose. The FC fiber optic connector has a 2.5mm ceramic ferrule and effects its connections through a screw-type locking mechanism. LC Witha size only half that of the SC, ST, and FC fiber optic connectors, theLC fiber optic connector is a good choice for cable terminations thatneed to be effected quickly and with little hassle. LC connectors havea 1.25mm ceramic ferrule and provide reliable performance forsinglemode fiber optic cables. Many pieces of communications technologythat require high-density connections—such as SFP and XFPtransceivers—will employ LC fiber optic connectors. MT-RJ TheMTRJ connector is a somewhat different beast than the connectors we’vediscussed thus far. The initials MTRJ stand for Mechanical TransferRegistered Jack. MTRJ connectors are designed to mimic the size andshape of the RJ-45 connectors typically found on the ends of Cat5,Cat5e, and Cat6 network cables. With a single,polymer ferrule, MTRJ connectors are capable of making connections onlywith duplex, multimode fiber optic cables. Many adapters intended totransfer data between a fiber optic network and a conventional, UTPdata network, will employ MTRJ connectors because of their relativeease of use. Toslink Likethe MTRJ connector, the Toslink connector serves a specialized purpose.Earning its name from a concatenation of the words “Toshiba” and“link”, Toslink connectors are one of the few fiber optic connectorsintended almost exclusively for the consumer market. Sometimes referredto as “optical audio” connectors, Toslink connectors are designed forcarrying digital audio signals between audio sources and loudspeakers,via fiber optic cables. The original intention of theToslink connector was to form connections between CD players and homestereo systems. Today, Toslink connectors are used for connecting DVDplayers, Blu-Ray players, and video game consoles to digital stereosystems.