Introduction of Optical Fiber Cable System

Integrated wiring optical fiber cable system is a general term for light guide, generally used for integrated wiring building complex subsystem or vertical trunk subsystem. It consists of fine glass fiber filaments with a diameter of approximately 0.1 mm. Because of its wide transmission frequency band, large communication volume, especially not disturbing signals, and other characteristics, it is favored by the company’s local area network-integrated wiring.

This article discusses the selection and routing of optical fiber routing materials based on the integrated wiring standards and the essential construction characteristics of the company’s local area network. Design plan and analyze the work experience in the whole fiber optic cable routing process.

Selected according to the performance test plan

Optical fibers can be divided into single-mode (SMF) and multimode fibers (MMF) according to how light is transmitted. The core diameter of the multimode optical fiber is 50 or 62.5 μm, and the diameter of the insulating layer is 125 μm, which is expressed as 50/125 μm or 62.5/125 μm.

Select by specification level

Because the traditional multimode optical fiber is only suitable for tens of meters of 10G transmission, ISO/IEC 11801 has formulated a new multimode optical fiber specification level for the new optical transceivers selected for the cooperation with 10G applications.

Choose from cost-effective considerations.

The working light wavelengths of the fiber are medium and short wave 850nm, long-wave 1310nm, and 1550nm. Fiber loss generally decreases with the increase of light wavelength, and the loss at 850nm is generally 2.5dB/km.

Choose according to the application environment.

If the transmission distance is within 2km, multimode fiber can be selected, and wireless relay or single-mode fiber can be used beyond 2km. Optical fibers used in housing construction should pay attention to the characteristics of flame retardancy, toxicity, and smoke when using them.