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Fiber optic adapters and connectors

Hits:Updated:2016-11-14 13:11:55【Print】

A fiber optic adapter (also known as a flange) is a fiber optic connector connector. Series products include: FC. SC. ST. LC. MTRJ. Widely used in optical distribution frame (ODF). Optical fiber communications equipment. Excellent performance, stable and reliable.
Is 1.25 mm. This increases the density of the fiber connectors in the fiber distribution frame. At present, in the single-mode SFF, LC type of connector actually has occupied a dominant position in the application of multi-mode is also growing rapidly.
(7) MU type connector
MU (Miniature unit Coupling) connector is the world's smallest single-core fiber connector developed by NTT, based on SC connector, which is currently the most used connector. The connector uses 1.25mm diameter casing and self-holding mechanism, the advantage is to achieve high-density installation. NTU has developed the MU connector family with the MU's 1.25mm diameter casing. (MU-B series) with self-holding mechanism, and simplified socket (MU-SR series) for connecting LD / PD module and plug, and a connector (MU-A series) for a cable connection, Wait. The demand for MU-type connectors will grow rapidly with the rapid development of fiber-optic networks in the direction of larger bandwidth and the wide application of DWDM technology.
(8) fiber connector can also refer to FICON - FIber Connector1998 and the G5 server together to launch the IBM mainframe channel. It is based on Fiber Channel standards, ESCON half-duplex 17MB / s transfer rate to 100MB / s full-duplex. Each FICON channel can support up to 4000 I / O operations per second, which is equivalent to eight ESCON channels.
Fiber optic connector performance
Optical fiber connector performance, first of all optical performance, in addition to consider the optical connector interchangeability, repeatability, tensile strength, temperature and number of plug and so on.
(1) optical properties: optical connector for optical performance requirements, mainly insertion loss and return loss of the two most basic parameters. Insertion Loss (InsertionLoss) is the connection loss, refers to the link due to the introduction of the link caused by the loss of optical power. The smaller the better the insertion loss, the general requirements should be less than 0.5dB.
Return Loss (ReturnLoss, ReflectionLoss) refers to the connector on the link optical power reflection suppression, its typical value should be not less than 25dB. Practical application of the connector, pin surface after a special polishing process, you can make the return loss greater, generally not less than 45dB.
(2) interchangeability, repeatability Fiber optic connectors are common passive components, for the same type of fiber optic connectors, can generally be any combination of use, and can be used repeatedly, the introduction of the additional loss are generally In the range of less than 0.2 dB.
(3) Tensile strength for good fiber optic connectors, the general requirements of the tensile strength should not be less than 90N.
(4) the general temperature requirements, fiber optic connectors must be -40oC ~ +70 ℃ temperature can be used normally.
(5) the number of mating The current use of fiber optic connectors can generally plug more than l000 times.
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