Introduction to Optical Fiber Patch Cable

Optical fiber patch cable is used as a jumper to connect device and fiber optic cabling link. It has a thick layer protection, qui est Generally used as the connection entre optical terminal and terminal box.

Construction
Optical fiber patch That means clustering Both ENDS of the cable are equipped with a plug connector to link optical system activities. The end with a pigtail connector is called Expired. Optical fiber patch cable is similar to coaxial cable, only without That It is the mesh shielding layer, aim It has glass core at ict center for optical propagation. In a multimode fiber, the diameter of the core is 50 microns ~ 65μm, the Sami have Roughly the thickness of human hair. While the diameter of a single mode fiber core is 8μm ~ 10 .mu.m. In order to keep the optical fiber Within The core, a layer of refractive index, qui is lower than the glass envelope is used to surround outside the core. Furthermore, outside the glass envelope is a layer of thin plastic jacket to protect the glass envelope.

Classification
Classified by different transmission media, optical fiber patch cable can be divided into common silicon based single mode optical fiber, multimode patch cable and optical fiber patch cables --other That are Transmitted through plastic. While classified by the structure of connectors, optical fiber patch cable can be divided into FC patch cable, SC patch cable, ST patch cable, LC patch cable, MTRJ patch cable, MPO patch cable, MU patch cable, SMA patch cable, FDDI patch E2000 cable patch cable, patch cable DIN4, D4patch cable, etc. The common optical fiber patch cables can be divided into aussi FC-FC, FC-SC, FC, LC, FC, ST, SC-SC, SC-ST, etc.

The color of single mode fiber patch cables are usually yellow, the purpose connector and the protective sleeve are blue. Single-mode fiber is used for long distance transmission. While the color of multimode fiber patch cables are usually orange, Sometimes It is gray, the purpose connector and the protective sleeve are black or buff. Multimode fibers are used for short distance transmission.

Tips for Use
The transceiver wavelength of both ends of the optical modules must be the same. That is to say, the wavelength of the two ends of the optical fiber must be equal. A easy way to distinguish whether the wavelength is the Same is the color. Same color means same wavelength.
1. Do not bend optical fiber and circle excessively during the usage, or it will result in attenuation during the light transmission.
2. After the use of optical fiber patch cables, protective sleeve must be used to protect the connector from dust and oil stains they will damage since the coupling of the optical fiber.
3. Cotton swab dipped with alcohol can be used to clean the optical fiber connector if it gets dirty, otherwise the quality of communication will Be affected.
4 The ceramic ferrule and ferrule end surface area of the optical fiber must patch cable be cleaned with absorbing cottons and alcohol before use.
5. Minimum bending radius shoulds not be less than 150mm During The usage.
6.After the disassembling, a dust cap shoulds be used to protect the core Instantly and the ferrule end surface area from bruise, contamination and dust.
7. Do not stare at the fiber end surface of the laser is signal When Transmitted being white.
8. When it comes to the status que le damage is already beyond control, optical fiber patch cable Instantly Should be replaced.
9. Carefully shoulds be read before installation instructions; Besides installation debugging shoulds be proceeded by the manufacturers or distributors' guidance.
10. When optical fiber network or system does not work, troubleshooting method May be Applied. Usually a visible laser pen can be used to estimate the entire optical fiber link. A optical fiber insertion loss return loss set can be used to test the indicators. Indicators Within The Range acceptable indicating indication patch cables are at the working order, otherwise it means clustering something wrong with it.

Features
1. Low insertion loss
2. Good repeatability
3. Huge return loss
4. Excellent mutual insert performance
5. Outstanding temperature stability
6. Distinguished tensile properties

Application
Optical fiber patch cables are Widely used in the communications room, fiber to the home, local area networks, fiber optic sensors, fiber optic communication systems, fiber optic transmission equipment connected, defense readiness and so on. It Applies to cable television, telecommunications networks, computer networks and fiber optical test equipment. And Can Be Subdivided into several aspects.
1. The optical fiber communication systems
2. Optical Access Network
3. fiber optic data transmission
4. The optical fiber CATV
5. Local Area Network (LAN)
6. Testing Equipment
7. Fiber Optic Sensor

Guide for Selection
Classified by the end types optical fiber patch cables can be divided into ST-ST, SC-SC, ST-SC three kinds. While classified by the types of optical fiber, it can be divided into single mode optical fiber and multimode optical fiber. Its length specification are 0.5m, 1m, 2m, 3m, 5m, 10m, etc. Classified by cable outer jacket material, it can be divided into aussi common type flame retardant common, low smoke zero halogen (LZSH) LSZH type.

Selon the building fire-protection rating and the fire resistance of the materials requirements, the comprehensive wiring system shoulds take the Corresponding Measures. Flammable in the area and building shaft, flame retardant cables and optical cables shoulds be used. In large public spaces the flame retardant, low smoke, low toxicity cable shoulds be adopté. While entre devices adjacent room or closet cross connections, the type flame retardant wiring device shoulds be employed.

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