The role of OM5 in the data centre

CommScope Solutions Singapore Pte Ltd

By Jennifer Duits
Friday, 01 October, 2021

The role of OM5 in the data centre

Recently, I’ve seen OM5 fibre downplayed by others in the industry. It is almost as if OM5 is the quiet, well-behaved child who is ignored because its siblings are louder and getting into trouble. Not that the other fibre types are trouble by any means. OM3 and OM4 have been around longer and know how to get your attention. While OM5 is still early in the adoption cycle, it certainly warrants attention. And ignoring it — well, that’s like saying the network will not evolve. We all know that is not true.

OM4 has been around for a long time and, if you remember when it was first introduced, data centres did not immediately start ripping and replacing OM3. It took OM4 5–6 years to overtake OM3 in the data centre. OM4 is a good solution for the current network demands and if you are operating a data centre, or anything with a network, you need to be looking at what’s next to stay current.

One of the many nice features of OM5 fibre is that it doesn’t forget the past. It is backwards-compatible with its OM4 and OM3 siblings, so you can upgrade to OM5 without replacing other two. The importance of OM5 fibre will increase in tandem with the evolution of the data centre to 400G and beyond. While OM5 offers benefits today, it will take the evolution to 400G Ethernet to use the full power of OM5. This is one of the many factors you should consider to ensure your data centre is ready for the future.

Another value of using OM5 is that it provides higher capacity per fibre, resulting in less fibres and longer reach in an SWDM application. The extended reach in 100G and 400G application with an SWDM is 50% farther than OM4 and in 400G, plus it uses 50% less fibres.

For a technical deep dive into OM5 and its importance in the data centre, please watch the video explanation below by CommScope’s solution architect, Hans-Juergen (HJ) Niethammer, and check out other WideBand Multimode Fiber content.

Originally published here.

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