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Fiber optic connectors can be split into three groups: simplex, duplex and multiple fiber connectors.

Simplex connector means only Tape Former is terminated in the connector. Simplex connectors consist of FC, Saint, SC, LC, MU and SMA.


Duplex connector indicates two materials are terminated in the connector. Duplex connectors consist of SC, LC, MU and MT-RJ. (Note: SC, LC and MU connections have both simplex and duplex edition)

Several fiber connector indicates greater than two fibers (for as much as 24 fiber) are terminated in the connector. These are typically ribbon fibers with fiber count of 4, 6, 8, 12 and 24. The most popular ribbon fiber connector is MT connector.

Now let’s analyze each type of connector closely.

:: FC Connector

FC means Fixed Connection and it also was made by Japanese company NEC (Nippon Electrical Co.). It has a attach on locking system and is also very popular in solitary setting programs than in multimode applications. FC connectors are well-known in check surroundings and long haul programs. FC was once the most famous connector however will be changed by SC and LC connections. FC connector can be obtained only in simplex version.

Benefits: lowest insertion loss, excellent repeatability

Drawback: Bulky, simplex version only, attach-on mechanism is hard to use in a hectic telecom wardrobe.

:: Saint Connector

Saint stands for Directly Tip. Saint connector includes a bayonet perspective securing system and was made by AT&T in the 1980s. Saint connectors were predominant during the early 1990s but now they are becoming replaced by SC and LC connectors. Saint connectors are most frequent for multimode applications. ST connectors can be purchased in simplex version only.

Benefits: Saint connector can be easily placed and eliminated due to its spring-loaded bayonet securing system.

Drawbacks: Its locking mechanism design are generally a bless and a curse. You have to make sure the connector is sitting down in the socket securely and effectively. It may be required to remove and reconnect your ST connector should you encounter high placement reduction. However, if you probably did it correctly, under .3dB connection loss might be effortlessly accomplished.

:: SC Connector

SC stands for Subscriber Connector and was made by Secondary Coating Line. This is a square formed push/draw kind connector using a click-in locking mechanism. Due to the easy locking mechanism and excellent repeatability, SC connector has become the dominating connector since late 1990s, specifically in multimode programs. SC connections can be found in each simplex and duplex version.

Benefits: Simple drive/pull click-in locking system, inexpensive, outstanding repeatability, low insertion reduction

Disadvantages: Cumbersome footprint. Modern high-speed fiber optic networks need more lightweight connections. LC connector is almost half how big a SC connector and is becoming more popular, specifically in solitary mode applications.

:: LC Connector

LC is short for Lucent Connector and it also was developed by Lucent. This can be a little form factor connector that occupies only fifty percent the size of a SC connector. LC connector appears a lot like a small SC connector. In addition, it has got the exact same drive/draw snap-in type securing mechanism. LC is one of the most favored connector for single setting applications.

Benefits: Easy push/pull click-in securing mechanism, outstanding repeatability, low placement loss, little type factor

:: MT-RJ Connector

MT-RJ means Mechanical Move Registered Jack. MT-RJ can be found in duplex only. It homes two materials in two how big a SC connector. MT-RJ connectors are available in set of female and male type. Men MT-RJ connector has two leading pins and woman kind has two guiding openings. Female and male MT-RJ connections are mated with each other by plugging the wfddwq pins in to the holes.

:: MT Connector

MT connector is ideal for ribbon fiber programs. It can hold 4, 6, 8, 12, 24 or higher to 72 materials within a square shaped footprint. One MT compatible connector is called MTP connector which is produced by Optical Fiber Ribbon Machine.

Advantages: MT connector offers greater connection denseness than any other type of connectors. This will make it the wonderful choice for patch board, routing applications.