SHow Many Fiber Connector Types Do You Know?

There are several fiber optic connector types used in telecommunications and networking to ensure the efficient transmission of data through fiber optic cables. While there are numerous connector types available, I'll describe the most commonly used ones, providing an overview of their features, applications, and advantages. Please note that this list is not exhaustive, but it covers the major connector types.

SC (Subscriber Connector):

The SC connector is one of the most popular fiber optic connectors. It features a square-shaped connector with a push-pull mechanism, which provides easy insertion and removal. The SC connector is suitable for both single-mode and multimode fibers and is commonly used in telecommunications and data networking applications.

LC (Lucent Connector):

The LC connector is a small form factor (SFF) connector that has become widely adopted due to its compact size. It features a 1.25 mm ferrule and a push-pull latching mechanism. The LC connector is primarily used with single-mode fibers and is commonly used in high-density installations, such as data centers.

ST (Straight Tip):

The ST connector is one of the earliest connector types used in fiber optic networks. It features a bayonet-style twist lock and a 2.5 mm ferrule. The ST connector is commonly used with multimode fibers and is popular in local area networks (LANs).

FC (Ferrule Connector):

The FC connector features a screw-on coupling mechanism and a 2.5 mm ferrule. It offers a secure connection and is commonly used with single-mode fibers. The FC connector is often used in test equipment and high-reliability applications.

MTP/MPO (Multifiber Termination Push-On/Pull-Off):

The MTP/MPO connector is a multi-fiber connector that can accommodate multiple fibers in a single connector. It features a push-pull latching mechanism and is commonly used in high-density applications, such as data centers and backbone networks.

MT-RJ (Mechanical Transfer Registered Jack):

The MT-RJ connector is a duplex connector that integrates both fiber strands into a single RJ-45-style connector. It features a small form factor and a push-pull latching mechanism. The MT-RJ connector is primarily used with multimode fibers and is commonly used in premises networks.

E2000:

The E2000 connector is a small form factor connector that features a spring-loaded shutter for dust protection. It has a push-pull latching mechanism and can be used with both single-mode and multimode fibers. The E2000 connector is popular in telecommunications and high-reliability applications.

MU (Miniature Unit):

The MU connector is a small form factor connector that resembles the SC connector but has a smaller ferrule size (1.25 mm). It features a push-pull latching mechanism and is commonly used with single-mode fibers. The MU connector is popular in high-density applications and is commonly used in fiber optic patch panels.

LX.5 (Lucent Connector Extended):

The LX.5 connector is an extended version of the LC connector. It uses a 1.25 mm ferrule, similar to the LC connector, but incorporates a unique termination process that improves performance and reduces insertion loss. The LX.5 connector is primarily used with single-mode fibers.

SMA (SubMiniature version A):

The SMA connector is a screw-on connector that was originally developed for coaxial cables but has been adapted for use with fiber optics. It features a 3.175 mm ferrule and is commonly used in industrial and military applications.

FDDI (Fiber Distributed Data Interface):

The FDDI connector is specifically designed for use with FDDI networks, which are high-speed fiber optic networks. It features a dual-connector system, with two 2.5 mm ferrules in a single connector body.

ESCON (Enterprise Systems Connection):

The ESCON connector is specifically designed for IBM's ESCON channel, which is a high-speed fiber optic channel used for mainframe computer connectivity. It features a duplex connector with two 2.5 mm ferrules.

DIN (Deutsches Institut für Normung):

The DIN connector is a standard connector defined by the German Institute for Standardization. It features a screw-on coupling mechanism and is commonly used in Europe for multimode fibers.

F-Type:

The F-Type connector is primarily used for cable television (CATV) and other video applications. It is commonly used with coaxial cables but can also be adapted for use with fiber optics.

Biconic:

The Biconic connector is an older connector type that is no longer widely used. It features a conical-shaped ferrule and is commonly used with multimode fibers.

These are some of the most common fiber optic connector types used in telecommunications and networking. It's worth noting that connector types can vary based on region, industry standards, and specific application requirements. As technology advances, new connector types may emerge to meet the demands of evolving fiber optic networks.