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Data Centre

Differences Between OM1, OM2, OM3, OM4 & OM5 Multimode Fibers

Differences Between OM1, OM2, OM3, OM4 & OM5 Multimode Fibers

FS Official Sep 18, 2018

Fiber patch cable is to the network what the blood vessel is to the human beings. In that case, having a comprehensive understanding of fiber optic cables is essential for building a healthy network. Conventionally, the fiber cable consists of the multimode fiber and the single mode fiber. Each type shares its different strengths and can be applied in different uses. In this video, the applications and differences of multimode fibers are introduced.

Generally, there are five multimode fiber cable types that can be found in the market: OM1, OM2, OM3, OM4, and OM5. Among these types, multimode OM3 version and OM4 fibers are commonly used. Each type enjoys its specified features. OM1 and OM2 are designed to support 1G and 10G networks. A link of a 1000BASE-SX SFP over an OM2 fiber can reach up to 550 meters. OM3 and OM4 are designed to support 40G and 100G networks. With a QSFP 40G SR4 or a QSFP28 100G SR4, the transmission distances of OM4 fiber will be 150m and 100m. To keep fiber stably work in a high-speed network, OM5 fiber arrives to support 200G and 400G networks.

All sorts of multimode fibers are available in FS. With various options for core sizes, transmission distances, transmission speeds, and colors, you can customize your needs accordingly. Similarly, the solutions for your network cabling from devices to designs are also accessible in FS.


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