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What is Fiber Optic Adapter

Manufcturers design Fiber optic adapters to connect two optical cables together. They have a single fiber connector (simplex), dual fiber connector (duplex) . Sometimes four fiber connector (quad) versions. The optical fiber adapter is insertable into different types of optical connectors. It is useful in optical fiber distribution frames (ODFs) Instruments. It also provides superior, stable and reliable performance.

Features of Fiber Optic Adapter

The optical fibers connects by an adapter through its internal open bushing to ensure. The maximum connection between the optical connectors. In order to be fixed in a variety of panels. The industry also designs a variety of finely fixed flange.

Transformable fiber optical adapters are available with fiber optic connectors of different interface types. On both ends and provide a connection between APC faceplates. Duplex or multi-adapter adapts to increase installation density and save space.

Fiber Optic Adapter types

 

This fiber optic adapter developed by Japan NTT. FC is an acronym for FERRULE CONNECTOR. It is indicating that its external reinforcement is the use of the metal sleeve. The fastening the way for the buckle. The earliest, FC type connector, the docking end of the ceramic pin. Such connectors are simple in structure, easy to operate and easy to manufacture. However, the fiber end face is more sensitive to dust. So, it is easy to produce Fresnel reflection. It is difficult to improve the return loss performance. Later, this type of connector improves, the use of docking the spherical end of the pin (PC). While the external structure is not changeable, making the insertion loss and return loss performance improves greatly.

SC Fiber Adapter

This is a kind of optical fiber connector developed by Japan NTT Corporation. The shell is rectangular, the pin and the coupling sleeve used in the structure of the same size and FC type. One end of the pin to use more PC or APC grinding method. The casting method is the use of plug pin type, without rotation. Such connectors are inexpensive, easy to plug and unplug, low insertion loss variations, high compressive strength, and high installation density.

DIN47256 Fiber Optic Adapter

This is a connector developed by Germany. The pins and coupling sleeves used in this connector are the same size as the FC type and the PC process is beneficial for the end face processing. Compared with the FC type connector, the structure is more complex. The internal metal structure has a control pressure spring to prevent the end face from being damaged due to the excessive insertion pressure. In addition, this connector has higher mechanical accuracy and therefore smaller insertion loss values.

MT-RJ Fiber Optic Adapter

MT-RJ started with the MT connector developed by NTT with the same latching mechanism as the RJ-45 type LAN electrical connector. Alignment of the optical fiber with guide pins mounted on both sides of the small bushing made it easy to communicate with the optical transceiver Machine. Also, it connected to the connector end of the optical fiber for the dual-core (0.75MM spacing) .The array design is mainly used for data transmission next generation high-density fiber optic connectors.

How to choose a fiber optic adapter?

Due to the wide variety of fiber optic adapters and the similar appearance of fiber optic adapters from different vendors. Therefore, you may not know how to choose. In general, you should consider the following two tips when choosing a fiber optic adapter.

  • Fiber Cable Type

If the fiber adapter needs connection  to the same fiber cable type and connector, a fiber optic adapter with a square, rectangular or circular interface is useful. If the type of cable has connection is different, a hybrid fiber adapter needed. This hybrid fiber adapter can connect any two types of fiber patch cords together. Due to the wide variety of hybrid fiber optic adapters, it is important to know what type of cable to connect before purchasing.

  • The Sleeve Material of fiber adapter¬†

Alignment sleeve is the most important component of fiber optic adapters. Some manufacturers choose metal as the material for the alignment bushings, but ceramic-made fiber optic adapters proved to work much better than using metal as the alignment bushing. The fiber optic adapter, because the crystal structure of the ceramic is very hard and does not deform over time like metal. So, it can achieve fast alignment and high-precision fiber end-face connection. Read more.

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