The obsolete SMA connector was the forerunner to the ST connector which we discussed above. In some cases, if Multimode type cable is required, some of our customers order RCA audio over fiber converter, with ST connectors:įigure 6: ST connector on RCA audio over fiber converter Both types are keyed and spring loaded, and use a “push-in and twist” mechanism. The ST connector is manufactured in two versions – the ST and the ST-II. The connector is used widely for MMF and SMF FOC and is extremely easy to use. The ST connector’s keyed bayonet design is similar to that of a BNC (Bayonet Nut Connector or Bayonet Neill-Concelman) connector. Once the connector is installed, its position is maintained with total precision.įC connector is pretty common choice for example in Video over Fiber Transmission Equipment.įigure 4: ADnet’s AHD/TVI/CVI over fiber 1 port transmitter with FC connector. This connector uses a threaded container and a position locatable notch to achieve exact locating of the SMF in relation to the receiver and the optical source. The SC connector comes with a locking tab that enables push on / pull off operation.Īt the time of writing the most popular choice for such equipment like Fiber Multiplexers, GPON and EPON ONU’s, Fiber Media Converters and more.įigure 3: ADnet’s Gigabit Fiber Media Converter with Single Mode Dual fiber port using SC connector (UPC type).Īlthough the FC connector was widely used in fiber optic networks until of late, its use is dwindling fast. Simple, rugged and low cost, SC connectors use a ceramic ferrule to deliver accurate alignment of the SMF. These fit over the ferrule and screw onto the sleeve that is threaded. The connection is secured by the guided rings that are provided complete with caps. The narrowing end enables the sleeve to be located on the connector properly. This connector can be easily identified by the tapering sleeve that fixes on to the fiber optic connector. The now obsolete Bionic connector was one of the first connectors employed in fiber optic communications links. Fiber Distributed Data Interface Connector (FDDI)Ī brief description of the connectors is as follows:.Enterprise Systems Connection Connector (ESCON).Some of the common connector types are listed below: Various connectors that could potentially have a big influence in the future are also discussed. The connectors described in this text are the ones that have been used most extensively in the past, and many are still being used to this day. Numerous connectors, both standard and proprietary, are used in the field of telecommunication equipment, data lines, television and cable, and other industrial fields. They are available in SC, ST, LC, FC and MT-RJ connector styles. As a result, training and installation costs are greatly reduced, while fast restorations are enabled. Simple design and low cost are the hallmarks of these connectors. The fiber is stabilized by an internal crimp mechanism and these connectors are available in SC, ST and FC styles. These connectors can be divided into two types: This translates to lower skill levels needed to handle them. The main advantage of these connectors is that they are easy to install. Polish and No-Epoxy or Pre-Loaded Epoxy Connectors Numerous Connectors - Can handle single and multiple cables (up to 24) in a single connector.Cable size - Can be used for cables of varying diameters, from big to small.Sturdiness - Ability to endure higher levels of environmental and mechanical stress.Some of their advantages are listed below: These connectors offer a wide range of choices including SC, ST, LC, FC, SMA, D4, MT-RJ and MU. Polish and Epoxy style connectors were originally used for termination and these are still being installed extensively. Remateable connections make it easy to meet changing customer requirements by simplifying system reconfigurations. Fiber Connectors are therefore generally used where flexibility is needed at termination points when an optical signal is routed.Įxamples would include connections from receivers to equipment pigtails, or normal termination, or when re-configuring systems. Remateable connections are made possible by Fiber Connectors.
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