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Jfopt Location: Jfopt > News > Fiber knowledge > Fibre basic terminology and precautions

Fibre basic terminology and precautions

Edit: Fiber optic cable   Date: 2013-04-24

The fiber cable is divided into two types:

Single-mode fiber: fiber optic jumper with a yellow connector and protective sleeve blue; longer transmission distance.

The multimode fiber: general fiber jumpers in orange, and some in gray, apply joint and protect beige or black; transmission distance is shorter.

Fiber Note

Fiber jumpers at both ends of the light wavelength transceiver module must be consistent, which means that both ends of the fiber must be the same wavelength optical module, a simple distinction is the color of the light module to be consistent.

In normal circumstances, short-wave optical module using multimode fiber (orange fiber), the long wavelength modules using single-mode fiber (the yellow optical fiber), in order to ensure the accuracy of the data transmission.

Fiber not use excessive bending and circling, this will increase the attenuation of light during transmission.

Fiber jumpers must use protective sleeve will be protected fiber optic connector dust and oil will damage the fiber coupling.


SFP: SmallFormFactorPluggable

SFF: SmallFormFactor

XFP: 10GigabitSmallFormFactorPluggable


LC: LucentConnector

SC: SubscriberConnector

FC: FiberConnector

MTRJ: 'MT'ferrule, RegisterJacklatch

ST: StraightTi

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