Why indoor optical fiber cable is higher than outdoor cable price?

cable: the center of the fiber core is usually made of glass, core surrounded by a layer of refractive index is lower than the core glass envelope, in order to make the optical signal into the fiber core by cladding interface reflection and transmission in the optical signals in the fiber core. Due to optical fiber itself is very fragile, cannot be directly applied to the wiring system, so is usually into beam, with protection shell, there is resistance wire, this is the so-called optical cable, optical cable usually contains one or more optical fibers. According to the different environmental divided into indoor optical fiber cable and outdoor optical cable.

the reason one: indoor and outdoor fiber optic cable cable used to strengthen the material is not the same as

the reason two: indoor optical fiber cable is used to strengthen aramid ( Kevlar) Now nearly $500000 a tonne, and each package on the fiber layer 0. 9 the sheath;

three reasons: outdoor fiber optic cable is used to strengthen steel wire, steel tape, fiber is bare fiber staining. Outdoor cables are generally in single mode fiber. Indoor optical fiber cable with multimode fiber.

why 4: outdoor cable generally use is cheaper single mode fiber, and indoor optical fiber cable with multimode fiber is more expensive, led outdoor cable is much cheaper than indoor optical fiber cable.

indoor optical fiber cable are classified according to cable using the environment, as opposed to a outdoor optical cable. Indoor optical fiber cable is by optical fiber ( Optical transmission carrier) After a certain process and form of cable. Is mainly composed of optical fiber ( Such as hair fiber glass) And plastic to protect casing and plastic coating, fiber optic cable is no gold, silver, copper, aluminum and other metal, there is no recycling value. Indoor optical fiber cable is a certain amount of optical fiber according to certain ways of spring heart, outsourcing has a sheath, some still coated outer sheath, to realize the optical signal transmission, a communication line. Indoor optical fiber tensile strength is small, protective layer is poorer, but also lighter, economy. Indoor optical fiber cable is mainly suitable for building wiring, and the connection between network devices.

indoor cable characteristics: the & # 8195; Indoor optical fiber tensile strength is small, protective layer is poorer, but relatively lighter and more economic. Indoor optical fiber cable is mainly suitable for vertical and horizontal cabling subsystem main subsystems. Such as outdoor fiber optic cable tensile strength is larger, protective layer is thick, and usually the armoured ( The metal package) 。 Outdoor fiber optic cable used to more complex subsystem and can be used for outdoor buried, pipes, overhead and underwater installation, etc.

outdoor fiber optic cable used for outdoor optical cable. As opposed to a indoor optical fiber cable. Outdoor cable is one of the optical signal transmission line. Consists of a certain number of optical fiber according to certain way cable, outsourcing has a sheath, some still coated outer sheath.

outdoor cable characteristics: mainly by optical fiber ( Such as hair fiber glass) And plastic to protect casing and plastic coating, fiber optic cable is no gold, silver, copper, aluminum and other metal, there is no recycling value. Outdoor fiber optic cable tensile strength is larger, protective layer is thick, and usually the armoured ( The metal package) 。 Outdoor cable is mainly suitable for between buildings, and the interconnection between remote network.

if you have cable, such as demand, welcome to consult.

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