How to tell the difference between small form factor fiber connectors Tell

The different types of fiber connectors for small form factor have been developed in recent years to plug in the demand for fiber optic devices that can be inserted into small spaces and allow denser packaging. These connectors are LC, MU, MT-RJ and VF-45, just to name a few.

Most of these small form-factor connectors use push-latch locking mechanism, like the old standard SC connector. This mechanism has the advantage of adapting easily to these duplex LC duplex connectors,duplex MU, etc.

Some of the small form factor connectors 1.25 mm with a fiber optic ring, while others are based on smaller versions of the rings type MT. Let us now, details below.

:: Connector MTRJ

MTRJ connector design is derived from the MT connector with a ring of miniature two fibers and a size similar to a standard telephone jack (RJ45). Two pins are used for alignment of the fibers, while the two fibers between these twopin.

MTRJ connector is used for intra-building communications systems, such as the telephone wiring inside, and is in the same slot in a wall socket and the RJ45 connector for a phone. MTRJ connectors are designed as sockets and connectors such as RJ45 telephone connectors.

:: LC Connector

LC connector is a combination of design features both RJ45 telephone connectors and SC connectors 2.5 mm ring. The appearance resembles a RJ45 phone jack, while the interioris actually a miniature version of SC, with a ring of 1.25 mm fiber instead of a 2.5 mm ferrule SC connectors.

There is a connector very similar to LC, which is called LX.5. LX.5 is very similar to an LC connector, but it has a built-in cap that covers the end when the bone is removed from the board pairing. When you connect the adapter, the end cap opens automatically.

:: MU Connector

The MU connector is a miniature version of a SC connector1.25 mm ferrule. But unlike LC connector is a push-pull locking mechanism module instead of the push-lock locking mechanism as in LC connectors.

There are also some other small form-factor connectors are designed around the 1.25 mm tip. They are very similar, but differ in details, such as locking mechanisms and procedures of the assembly. One example is the fiber-jack connector, which is built around a 2.5 mm, but bone.

:: VF-45

3M has designed its ownVF-45. Its unique design is to plug in at an angle of 45 ° instead of the linear design face to face in all other types of connectors. The 45-degree angle to press the pair of fibers in V grooves in the plastic adapter. The pressure angle of 45 ° and keeps the fibers in place in the grooves.

The advantage of VF-45 is that it does not require expensive probes, allowing the connector fiber costs in a communication system.

:: DuplexConnectors

Duplex version of the small form factor connectors are also available. Duplex connector has a pair of fibers and an internal key so they can be covered in one direction. This is because most communication systems use separate fibers to carry signals in both directions. Connect the wrong way and you have a transmitter to send signals to other stations.

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