SC LC FC Fiber Optic Jumper
Optical fiber jumper patch cord (also known as optical fiber connector) refers to the fact that both ends of the optical cable are equipped with connector plugs, which are used to realize the active connection of the optical path; the plug with one end is called pigtail. Optical fiber patch cord (Optical Fiber Patch Cord / Cable) is similar to coaxial cable, except that there is no mesh shield. At the center is a glass core for light propagation. In multimode fiber, the diameter of the core is 50μm ~ 65μm, which is roughly equivalent to the thickness of human hair. The diameter of single-mode fiber core is 8μm ~ 10μm. The outside of the core is surrounded by a glass coating with a lower refractive index than the core to keep the optical fiber in the core. Outside is a thin layer of plastic jacket to protect the coating.
| Single mode | Multimode | |
| Insertion Loss | ≤0.2dB(APC), IL<=0.3dB(PC); | ≤0.25dB |
| Return Loss | ≥50dB(PC), ≥65dB(APC) | |
| Repeatability | ≤0.1 | |
| Operating Temperature | -40°C to +85°C | -20°C to +70°C |
Corning/YOFC Fiber
CCTC ceramic ferrule
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Scenes of applications
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The Classification And Overview Of Fiber Jumpers Patch Cords Are As Follows
There are many types of fiber jumpers (also called fiber connectors), that is, fiber connectors that connect to optical modules, and they cannot be used interchangeably with each other. The SFP module is connected to the LC fiber connector, and the GBIC is connected to the SC fiber connector. The following is a detailed description of several commonly used fiber optic connectors in network engineering:
①FC fiber optic jumper: The external reinforcement method is to use a metal sleeve, and the fastening method is a screw buckle. Generally used on the ODF side (most used on patch panels)
②SC optical fiber jumper: the connector to connect the GBIC optical module, its shell is rectangular, the fastening method is the plug-in pin latch type, no need to rotate. (Most used on router switches)
③ST type optical fiber jumper: commonly used in optical fiber distribution frame, the shell is round, and the fastening method is screw buckle. (For 10Base-F connection, the connector is usually ST type. Commonly used in fiber distribution frame)
④LC fiber optic jumper: the connector to connect the SFP module, it is made by the latch mechanism of modular jack (RJ) which is easy to operate. (Used by router)
Types of applications
CE
CPR
ISO
ROHS
Selection Guide
There are three main types of fiber jumpers according to the termination type: ST-ST, SC-SC, ST-SC. According to the type of optical fiber, there are mainly two types of single-mode fiber and multi-mode fiber. The jumper length specifications are 0.5m, 1m, 2m, 3m, 5m, 10m, etc. According to the cable outer sheath material, it can be divided into ordinary type, ordinary flame retardant type, low smoke halogen free type (LZSH), low smoke halogen free flame retardant type, etc.
According to the fire rating of the building and the fire resistance requirements of the materials, the integrated wiring system should take corresponding measures. When laying cables or optical cables in flammable areas and building shafts, flame retardant cables and optical cables should be used; in large public places, flame retardant, low smoke, and low toxicity cables or optical cables should be used; adjacent equipment rooms or junction Flame retardant wiring equipment should be used.
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