Optical closures

Hello, friend!

Type of optical closure:

Horizontal Type Fiber Optic Closure

Horizontal type fiber closure is like a flat or cylindrical case. This type of fiber splice closure is the most commonly used one in mounted aerials or buried underground. Horizontal type fiber optic closure usually contains one or more fiber splice trays to provide space and protection for fiber optic splices. Fiber splice trays used in different fiber optic splice closures may have different designs and fiber counts. The common fiber counts of flat fiber splice closure are 12 and 24 fibers.

Horizontal fiber optic splice closures are designed to be waterproof and dustproof. They have good adaptability and compression resistance, for they are commonly made of high tensile construction plastic. If attached to a pole or hung from wiring, these fiber splice closures need to be held firmly in place, to avoid damage from weather and wind.

Vertical Type Fiber Optic Closure

Vertical fiber optic closure looks like a dome, thus it is also called dome fiber optic splice closure or fiber dome closure. The dome shape makes it easy to be buried in many applications, though it also can be used above-ground as well.

Due to the growing network demands, there is a wide range of models and configurations of vertical fiber optic splice closures. High-capacity versions and variations in the number of splicing trays are also available in the market to meet the complex needs of today’s fiber-optic networks. The number of inlet/outlet ports of the dome fiber optic closure also varies with application needs. Dome fiber optic splice closure requires high-level seals and waterproof technology, due to its underground applications. Besides, keeping insects and dirt out is also important for underground closures.

Optical closers depend on a number of optical fibers, space of installation - aerial, underground, type of optical cable (OPGW, loose tube cables), etc. For FTTH optical closure can have many holes for drop optical cables, except this model, some models have optical connectors for drop optical cables with connectors.

Thanks!