492740-2 Connectors, Interconnects

Series:	Lightray MPX
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Accessory Type:	Retaining Clip
Moisture Sensitivity Level (MSL):	--
For Use With/Related Products:	LIGHTRAY MPX Connectors
Specifications:	--
Material:	Stainless Steel
Color:	Silver
Material Flammability Rating:	--
Ingress Protection:	--
Operating Temperature:	--

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Fiber Optic Connectors - Accessories

Fiber Optic Connectors and Accessories are an essential part of modern communication systems. They are used to connect two pieces of optical fibers or two components of an optical fiber system. A fiber optic connector utilizes a ferrule to align and mechanically hold two fibers at the same end. Among different types of connectors, the 492740-2 connector has many advantages and is widely used in various applications.

492740-2 Application Field

The 492740-2, which is also called LC connector, is one of the most common optical fiber connectors. It has duplex configuration, that is, two fibers can fit into one connector. This type of connector uses a 1.25 mm ferrule with a niche and latch system, and its size is much smaller than many other fiber optic connectors, so it is very popular in dense wiring and high-density applications. Commonly used cases of 492740-2 connectors include SFP, SFP+, XFP and QSFP cages as well as multimedia panels, fiber patch panels, and other optical fiber applications.

492740-2 Working Principle

The 492740-2 is an LC-type connector. It features a bayonet-style housing and has one piece of 2.5 mm round ferrule which prevents the fiber from slackening. The bayonet of this connector can rotate 360°, but still within certain limits specified by the IEC. It ensures that the fiber cable perfectly fits the connector without any damage to the connector or the fiber cable. The 492740-2 connector is equipped with an spring clip mechanism to reduce fibre cable knocks, which easily cause signal loss. Once press the connector plug into the receptacle, it secures fibers from excessive play in the cable. The proper mating of fiber connectors of the same type also helps to reduce the possibility of mating incompatibility. In order to provide superior performance, the 492740-2 connector is tested to meet a variety of cabling requirements in challenging environments. Tests are conducted in both dry and wet conditions, as well as with and without pre-stress when the connector is mated. It is also tested for compatibility with various types of fiber adapters to ensure the highest quality of fiber signal transmission and ensure the mates can still hold well during the installation process.

Conclusion

The 492740-2 is a versatile optical connector and widely used in various communication systems. It utilizes a 1.25mm ferrule with niche and latch features for easy installation and boasts a small form factor for dense wiring applications. With spring clip mechanism design, it ensures good performance in both dry and wet environments, and its suitability with variety of fiber adapters makes it a great choice for fiber optic networks.

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