The difference between the fiber and coaxial cable
along with the further popularization of optical communication, optical communication products: fiber jumper, fiber optic flange, optical fiber terminal box, optical cable connection box and other accessories are also gradually entered our life. In the face of such situation, we love XunTong is to popularize the cable manufacturer of optical fiber jumpers and optical communication products the difference between common coaxial cable.
and coaxial cable, fiber optic jumpers just don't mesh shielding layer. The center is the spread of the light glass core. In multimode optical fiber core diameter is 50 microns to 65 microns, roughly the comparative with the thickness of a human hair. And the diameter of the single mode fiber core was 8 microns to 10 microns. Core surrounded by a layer of refractive index is lower than the core glass envelope, to make the optical fiber to keep within the core. Outside is a thin layer of plastic coat again, to protect the sleeve.
fiber optic jumper wire according to the requirements of the level of building fire protection and for materials refractory, integrated wiring system should take corresponding measures. In an area where flammable and building shaft inside cloth cable or optical cable, flame retardant cable and cable should be adopted; In large-scale public places appropriate USES flame retardant, low smoke, low toxicity of cable or optical cable; Between adjacent equipment or transfer of flame retardant wiring equipment should be adopted.
fiber optic jumper by termination type points mainly has the following three types: ST - ST、SC- SC,圣- SC。 According to the optical fiber type points mainly include two categories, single-mode optical fiber and multimode fiber. Of the specifications of the jump line length is 0. 5 m and 1 m, 2 m, 3 m, 5 m, 10 m, etc. According to the cable outer sheath material can be divided into ordinary, ordinary flame retardant, low smoke zero halogen type ( LZSH) , low smoke zero halogen flame retardant, etc.
joints used in fiber optic activity, mainly used in room in the connection between the cable terminals and blame. The connection between the device and equipment. Online way is mainly used for handover wiring ( Such as an optical fiber by the telecom room place downtown in the uncertain user is set up under the condition of fiber optic cable transfer box, as determined by the user after the user cloth fiber optic cable to the box, the benefits is to increase out of the trunk communication optical cable utilization rate of the fiber core) 。
coaxial cable consists of a kernel, insulation, shielding, and the shell. Because these parts have the same axis, this is the so-called coaxial cable. Coaxial cable of the main raw material is made of copper, including the kernel, shielding, and fiber optic jumper wire is composed of quartz as the main raw material production, so the coaxial cable is much higher than the cost of a fiber optic jumpers.
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