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The present situation and the future of communication connector technology
Time:2014-10-09 17:09 Writer:admin Read:
  Status and Prospect of communication connector technology in TheStatusandProspectofTelecomConnectorTechnology communication is project of a system, each part of the use of performance will affect the entire network, wherein the communication connector belonging to the network transmission medium, Internet device, the connector performance may affect the entire communication system. At present, the connector product model and the standard lot, electric connection devices and optical fiber connector. Especially optical fiber connector, various standards vary widely; at the same time, the new technology emerge in an endless stream, new technology. Therefore, users should according to their actual situation, choose the suitable connector. At the same time, network construction
  Status and Prospect of communication connector technology
  The Status and Prospect of Telecom Connector Technology
  Communication is project of a system, each part of the use of performance will affect the entire network, wherein the communication connector belonging to the network transmission medium, Internet equipment, connectors used in performance may affect the entire communication system. At present, the connector product model and the standard lot, electric connection devices and optical fiber connector. Especially optical fiber connector, various standards vary widely; at the same time, the new technology emerge in an endless stream, new technology. Therefore, users should according to their actual situation, choose the suitable connector. Performance and relevant technical staff of network construction also should be familiar with and understand the various connectors, consider a network to high speed network upgrade cost of construction and upgrading of hardware problems, put forward the interface requirements; and comprehensive performance, price and development considerations connector, suggested the use of connectors.
  Form and structure of the connector with the myriads of changes, the application object, frequency, power and the application environment is different, there are various forms of connector. Communication connector as a physical layer devices, the influence of the transmission system reliability and performance in a certain extent; at the same time, the improvement of connector technology, simplifies the terminal connection and maintenance services, reducing the demand for hard line connection, so that the production process is more convenient, and more flexible design, reduce the production cost and maintenance cost. Because the optical fiber connector is also a loss of products, so also requires the low price.
  A, optical fiber connector
  1 optical fiber connector classification
  Optical fiber connector is the role of the two end precision between fiber, in order to make the transmitting fiber output light energy to maximize the coupled to the receiving fiber to go in, and make effect because of its access to the system caused by the optical link and reduced to a minimum, which is also the basic requirement of optical fiber connector. Optical fiber connector here particularly optical fiber connector, commonly known as the union, is according to the optical fiber connector can be disassembled and not to the classification of a class; there is a removable connector accordingly, called the fixed connector. It is precisely because the connector for use, which makes the detachable connection between the optical channel becomes possible, which is convenient for the optical system adjustment and maintenance, so that the adapter optical system more flexible scheduling.
  Optical fiber connectors are passive optical devices used in optical fiber communication system capacity of the largest, with the wide application of optical fiber, optical fiber connector has formed a series of product categories, varieties, characteristics of various kinds of gradually clear. Optical fiber connector according to the transmission medium is different, can be divided into single mode, multimode silica fiber connector and through other media (such as plastic optical fiber connector) as the transmission medium; in the form of the structure of the connection head, can be divided into FC, SC, ST, LC, D4, DIN, MU, MT etc. according to the shape; the optical fiber end surface, can be divided into FC, PC (including SPC or UPC) and APC type; according to the fiber core, can be divided into single core and multi-core (such as MT-RJ, MPO) - type optical fiber connector. For single mode optical fiber connector, the connector types are FC, SC, ST, FDDI, SMA and the new development of the LC, MT-RJ, PC, UPC face face contact way and type APC. In the practical application process, generally in accordance with the optical fiber connector structure to distinguish different. At present, the dominant position of FC, ST and SC 3 kinds of optical fiber connector connector to occupy the market.
  The characteristics and application of 2 optical fiber connector
  (1) FC (F01) optical fiber connector
  FC type connector with metal thread connecting structure, pin body adopts precision ceramic contact pin diameter 2.5mm, according to the different contact tip shape, it is divided into spherical contact FC/PC and helical spherical FC/APC two structure. FC type connector is currently the world's largest consumption variety, the main varieties are also Chinese used.
  (2) SC (F04) optical fiber connector
  This is a molded plug coupling type single mode optical fiber connector, the structure size and type FC the same, same as the precision ceramic ferrule ferrule diameter 2.5mm, PC or APC type grinding by way of the end face processing; fastening methods for plug latch type. This kind of connector plug has the advantages of convenient operation, low price, small insertion loss fluctuation, high compressive strength, high density mounting.
  (3) the ST type optical fiber connector
  Using the bayonet with a key lock structure (similar to the BNC connection structure), ferrule for precision ceramic pin diameter 2.5mm, face shape pin usually PC surface.
  (4) the DIN47256 type optical fiber connector
  This is a German by the connector development, DIN is expressed in German industrial standard, the subsequent figures for the standard no.. Structure size and FC using this connector pin and the coupling sleeve type the same way, PC grinding by end face processing. The structure is more complex than FC type connector, spring pressure control internal metal structure, insertion loss is smaller.
  (5) double cone type connector
  This kind of optical fiber connector is composed of two end by the precision molding of a cylindrical plug a frustoconical and an internal equipped with double conical plastic。
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