What are the types of fiber optic joint closures available?

types of fiber optic joint closures

Fiber optic joint closures provide protective, craft-friendly solutions to house and safeguard fiber cable splices in harsh outdoor environments. The enclosures protect the joints from damage, sand and dust. They also offer a watertight seal to prevent moisture ingress. They are available in several configurations to meet your network needs. They range from dome/cylindrical enclosures suitable for buried, underground or aerial applications to manifold and drop cable splice closures. These enclosures can help to improve network performance by reducing optical losses through the joints.

A quality closure can be a significant investment, so it is important to choose the right one for your application. Consider the following factors when deciding which closure to buy:

The type of Fiber optic joint closure that will be connected to the fiber optic splice closure should be taken into consideration before choosing a particular design. The closure should be compatible with the cables to ensure proper functioning and safety. Moreover, it should be easy to maintain and accessible for future upgrades. If you are using a distribution network, repeated access may not be necessary, so a re-entry-friendly design might be sufficient for your needs.

What are the types of fiber optic joint closures available?

You should also look at the capacity of the closure to determine if it is suitable for your project. Typically, the number of ports displayed on the closure’s fiber jacket indicates its cable entrance capacity. The higher the capacity, the more cables it can handle. The number of ports should match the requirements of your network to avoid overloading your fiber connections.

In addition to ensuring that the splice closure has adequate entry capacity, you must check the type of cable connectors and other accessories that can be used with it. Ideally, the closure should have ports that accept multimode and single-mode connectors of different sizes. The ports should also be color-coded to make it easier to identify each connector. For example, the boots of multimode connectors should be colored orange, while those of single-mode connectors should be colored yellow.

When buying a splice closure, you should also check the splice tray capacity. The trays should be able to accommodate the maximum amount of cable splices that will fit in it, especially if you plan to use mechanical or ribbon splices instead of fusion splicing. You should also make sure that the splice trays are properly aligned to minimize optical losses.

Another factor to take into account is the thermal expansion and contraction of the cable components. This movement can cause differences between the sheath and strength members, so the termination system should be able to manage these differences without stressing the cables. To do this, the closure’s materials should be resistant to thermal expansion and aging.

A key feature to look for in a fiber closure is the cable port capacity, which defines its ability to handle cable splices and connections. This should be specified clearly to ensure that the closure can meet the needs of the network. A splice tray that can accommodate a certain number of cables at once is essential, as is the option to expand trays to accommodate more connections in the future.

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