Posts Tagged ‘Cable’

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Fiber, fibre and OM4!

November 12, 2014

What’s the difference?
The words Fiber and Fibre are often swapped, most people assume that it is American versus UK spelling, but that is wrong. Fiber is actually the Fiber optic cable whereas Fibre is a generic term to describe the Fabric, which can include both Fiber and Copper technology that links your storage, switches and servers.

OM stands for Optical Multi-mode (multiple rays of light simultaneously) and the 4 refers to the latest version that can extend communications up to 300 meters at 10 Gb/s.

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To quote Michael Caine…

October 29, 2014

…“Not a lot of people know that”.

Don’t bend the fiber cable too much, the Laser light travelling down the cable can actually crash in to the internal walls of the cable (attenuation), this is called Macro bending. HP’s revolutionary PremierFlex cables use a new bendable fiber technology that significantly improves bend performance over existing fiber cables. Keep your fiber loops bigger than 37.5MM to avoid Macro bending altogether.

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