FTTH Cable
What is FTTH Drop cable?
The sheathed optical cable is mostly single-core or dual-core structure, and can also be made into a four-core structure. The cross section is 8-shaped, and the reinforcement is located at the center of the two circles. It can be made of metal or non-metallic structure, and the optical fiber is located at the geometric center of the 8. The optical fiber in the sheathed optical cable adopts G.657 small bending radius optical fiber, which can be laid with a bending radius of 20mm, and is suitable for entering the house in the form of pipelines or open wires in the building. Drop cable is commonly known as indoor suspended wiring cable.
With the domestic fiber optic access market showing a good development momentum, fiber optic access has become a hot spot in the field of optical communications. In the fiber optic access project, indoor wiring close to the user is the most complicated link. The bending performance and tensile strength of conventional indoor optical cables can no longer meet the needs of FTTH (fiber to the home) indoor wiring.
The access network dish-shaped introduction cable (for indoor wiring) is to place the optical communication unit (optical fiber) in the center, and place two parallel non-metallic reinforcements (FRP) or metal reinforcement components on both sides. Finally, a black or colored polyvinyl chloride (PVC) or low-smoke halogen-free material (LSZH, low smoke, halogen-free, flame retardant) sheath is extruded.
FTTH Cable Products Description
Use of FTTH Drop cable
Used for indoor wiring, end users use cables directly;
Used for introducing optical cables into buildings;
For indoor wiring of users in FTTH
Home Access
User indoor wiring
In FTTH projects, user indoor wiring is the most complex link, and there are many factors to consider. It is necessary to ensure the safety of the line, take into account the beauty of the interior, and facilitate construction. The traditional single-core indoor optical cable can no longer meet the requirements of indoor wiring in the current FTTH project. As a substitute for traditional indoor optical cables, Weipuxun's sheathed optical cable can adapt to most indoor wiring conditions. For example, it can turn with a bending radius of 20mm, can bear the side pressure of people stepping on the optical cable, and the tension caused by dragging during construction. At the same time, with a variety of on-site connectors, on-site termination and docking can be achieved in the shortest time. Therefore, Weipuxun's sheathed optical cable is the best choice for FTTH indoor wiring.
Vertical and horizontal wiring in the building
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Self-Supporting Overhead Household Wiring
The self-supporting "8" wiring optical cable has a metal suspension unit, so it has stronger tensile resistance and can withstand a span of 50 meters. The optical cable is laid outdoors in an overhead manner. Before entering the house, the metal suspension unit is cut off and fixed on a special fixture. The remaining optical cable is stripped of the metal suspension wire and introduced into the room using a sheathed optical cable.
Pipeline Household Wiring
Because the pipeline mapping optical cable is harder than the sheathed optical cable and has higher tensile strength, and the optical cable contains water-blocking materials, which can reduce outdoor rain erosion, it is more suitable for long-distance outdoor pipeline laying. The Weipson pipeline mapping optical cable adopts a fully non-metallic structure, thus avoiding the introduction of lightning into the room. After the optical cable enters the house, its outer sheath, water-blocking material and reinforcement are stripped off, and the middle skin-wire optical cable is used directly for indoor wiring, inheriting all the advantages of skin-wire optical cable indoor wiring, while reducing the links of outdoor and indoor optical cable connection.
Ordinary drop cable has a standard 8-shaped structure; two parallel reinforcing cores, with optical fiber in the middle; self-supporting drop cable adds a thick steel wire suspension wire to the structure of ordinary drop cable; generally speaking, self-supporting drop cable has only one more steel wire, and nothing else has changed; the structure of this type of cable is different for each manufacturer. But generally, they are not metal reinforcing cores. Take butterfly drop cable as an example. The cross-section looks like a butterfly, so it is called. The two sides are drop cables, the inner part is a reinforcing member, and the middle is an optical fiber.
