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The fiber connector seal is made of a special industrial grade high tension plastic with a reliable moisture barrier. They are also optimized to resist the aging of materials due to factors in the natural environment such as ultraviolet light. There are two main types of closed, fiber and fiber terminals. The closure is the hardware used to restore the integrity of Fiber Optic Splice Closure entering the housing. The terminal is a hardened external connector that allows the addition of one or more fiber optic cables to the housing. These two categories can be configured for docking off and online off. Docking off allows the cable to enter from one end, while the line is allowed to enter from both ends.

For external connectors closed, there are two main types: horizontal and vertical. Horizontal connector closures look like flat or cylindrical housings. They provide space and protection for fiber optic splice closure. They can be installed in antennas, buried or underground applications. The horizontal type is higher than the vertical type (dome type). Most horizontal fiber enclosures can accommodate hundreds of fiber connections. They are designed for waterproof and dustproof. They can be used in the -40 ° C to 85 ° C temperature range and can withstand pressures up to 106 kPa. These are usually made of high-strength building plastics and are widely used in cable television, telecommunications and fiber-optic networks.

The vertical type of fiber optic splice closure looks like a dome, so they are also called dome optical fiber connectors closed. They conform to the same specifications as the horizontal type. They are designed for buried applications. The fiber optic connector is sealed with a ribbon cable and a round fiber optic cable. Each type (ribbon or round cable) is suitable for a variety of fiber splice counting requirements. They are widely used in optical communication systems.

When the optical fiber is joined by a mechanical device or by melt bonding, a sufficiently relaxed optical fiber has been provided in the prior art closed construction so that the fiber optic splice closure can be pulled out of the closed configuration and placed in a device for fabricating the fiber terminals and connected together.

When the closed construction is sealed, that is, when the bonding process has been completed, it is generally desirable that the optical fiber of each cable be contained in the junction closed structure at least about 0.5 m. In such a device, there must be a method of storing a slack portion of a curvature that normally requires a minimum bending radius of not less than about 3.7 to 5 cm for protecting the joint and holding the optical fibers together in an orderly manner. Fiber Optic Splice Closure: http://www.greentelftth.com/product/fiber-optical-splice-closure/