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What are the classifications and applications of indoor optical cables?

What are the classifications and applications of indoor optical cables?

2021-09-11

(1) Vertical lifting cable (Riser)


After the optical cable enters the building, it is necessary to provide the connection between the entrance equipment, equipment room or computer room and the communication cabinets on different floors, which is called "vertical wiring system". At this time, the wiring optical cables are mostly located in the riser in the vertical shaft between the floors. For this reason, the optical cable needs to withstand greater tensile force (maximum self-weight).

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(2) single-core, dual-core interconnection indoor optical cable (Interconnectcable)


Tight sleeve single core, tight sleeve figure 8 double core, tight sleeve 2 core ~ 4 core circular structure indoor optical cable. Due to the very flexible tight sleeve structure and high load-bearing aramid yarn surrounding the tight sleeve fiber, the optical cable structure size Small, flexible, able to withstand a small bending radius, no traces of inventory, fiber to the workstation, plug-in wiring, pigtails, jumpers in the communication cabinet, the communication cabinet to the leading end of the indoor wall, and the leading end to the transceiver application Ideal for interconnecting optical cables. They are directly equipped with standard connectors, and play the role of interconnection between optical end equipment and backbone (vertical) optical cables in communication cabinets, distribution boxes, protective boxes, and equipment boxes. This type of optical cable is convenient and easy to install in a limited space, and becomes an ideal network cable solution for wiring in a limited space and plugging in a flexible cord in a building.

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(3)Optical cable for inflatable environment (Plenum)


In indoor applications, when optical cables need to pass through conveying pipes, high-pressure inflatable spaces or air handling systems to transmit information, Plenum-level indoor optical cables are required. This special use environment puts forward stricter requirements on the flame retardancy and corrosion resistance of the optical cable. Therefore, the tight sleeve material and outer sheath material of the indoor optical cable used are more stringent. The sleeve is made of PVC material, and the outer sheath material is a flame retardant PVC material or hard fluoropolymer that meets the UL certification. The use of PVC design is superior to fluoropolymers. Because PVC is soft and easy to bend, there is no trace of inventory, and it can be stored in a ring.


(4) anti-mouse type optical cable


Single-core or multi-core tight-buffered fiber optic cable protected by stainless steel hose has strong resistance to lateral pressure, bending resistance, high tensile strength, and excellent rodent resistance. Can be used for stampede occurrence? Occasions, such as laying under carpets or occasions where limited space requires frequent bending or rodent damage.

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In addition, there are several things: First, when the fiber ribbon fiber optic cable is used to enter the building, the matching indoor fiber ribbon fiber optic cable (fiber ribbon + aramid yarn + PVC sheath structure) can be used. Second, when laying underground pipelines and ceilings in the equipment room, reinforced structures can be used, such as using PE and PU sheaths on the basis of the distribution cables or using aluminum-PE sheaths on the basis of the scattered cable structure. Set of structure and so on. The third is that the cable can be used for overhead and direct buried laying when the metal armored sheath is used. Fourth, in occasions with high requirements for toxicity and smoke generation, low-smoke and halogen-free (LSZH) materials can be used as the outer sheath. Fifth, it has better resistance to friction, scratches and chemical erosion when using PU sheath.

As a fiber optic cable manufacturer, Fiber Hope welcomes inquiries!


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