Crimp The Reliability Of The Fiber Optic Splice Closure Connector

Fiber Optic Splice Closure is used as a waveguide for light, primarily for high-speed data communication and image-to-video device transmission. The box is made of fiberglass and is usually made of silica, but other materials can also be used for special purposes. The fiber optic terminal occurs at the end of the box and is connected to one device or another. The connection between the two boxes is called the joint. The Fiber Optic Splice Closure terminal connected to the device is called a connector.

There are two types of boxes. Single mode boxes are typically long distance boxes that are thinner and more difficult to use, but which better transmit light and can have higher throughput. Multimode boxes are thicker and are used primarily for short-range applications such as computer networks in buildings. The fiber terminations of the two types of boxes are similar, but most of the terminals of a single mode box are made in the factory, while multimode terminals are typically performed in the field.

Single-mode fiber optic terminals that are performed in the field typically require repair by damaging the box or its connector. The connector can reconnect and repair the damaged fiber optic box. Multimode boxes can be spliced, but this is usually not necessary. Multi-node boxes are shorter, so broken boxes can usually be easily replaced and stitching is not necessary. The technology for polishing single-mode and multi-mode boxes is different, and many fiber-optic box installers lack the training to make single-mode terminals.

Most fiber optic terminals of connectors made in the field will be on multimode boxes and some type of bonded termination will be used. The adhesive terminal uses epoxy to secure the box within the connector. Each fiber optic connector manufacturer offers its own recommended epoxy adhesives and how to use them. Another method is to place the epoxy in the connector at the factory. The connector is heated to melt the adhesive and the fiber optic cassette is placed in the connector.

Crimp connectors have lower reliability for fiber optic terminals, but advances in these types of connectors make them a viable alternative to bonded connectors. Both ends of the box must still be cut and polished, but the box is fixed by mechanical crimping instead of epoxy glue. One advantage of a crimp connector is that it does not have to wait for the epoxy adhesive to harden.

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