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What do the fiber terms OM1, OM2, OM3 and OM4 refer to?

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Have you ever wondered what the fiber terms OM1, OM2, OM3 and OM4 refer to? If so, see below for a brief explanation. All OM Fiber is considered Multi-Mode. This can help you in your decision making.

OM1 - Multimode

  • Color – Orange
  • Core Size – 62.5um (62.5/125)
  • Data Rate – 1GB @ 850nm
  • Distance – Up to 300 meters
  • Applications – Short-Haul Networks, Local Area Networks (LANs) & Private Networks

OM2 - Multimode

  • Color – Orange
  • Core Size – 50um (50/125)
  • Data Rate – 1GB @ 850nm
  • Distance – Up to 600 meters
  • oGenerally used for shorter distances
  • o2x Distance Capacity of OM1
  • Applications – Short-Haul Networks, Local Area Networks (LANs) & Private Networks

OM3 – Laser-Optimized Multimode

  • Color – Aqua
  • Core Size – 50um (50/125)
  • Date Rate – 10GB @ 850nm
  • Distance – Up to 300 meters
  • oUses fewer modes of light, enabling increased speeds
  • oAble to run 40GB or 100GB up to 100 meters utilizing a MPO connector
  • Applications – Larger Private Networks

OM4 – Laser-Optimized Multimode

  • Color – Aqua
  • Core Size – 50um (50/125)
  • Data Rate – 10GB @ 850nm
  • Distance – Up to 550 meters
  • oAble to run 100GB up to 150 meters utilizing a MPO connector
  • Applications – High-Speed Networks – Data Centers, Financial Centers & Corporate Campuses

Choosing the right fiber type for your application is important. Future proofing your network design is crucial for network planning, but there is often a cost for that speed. So plan well and spend wisely.

TXM offers a wide range of fiber jumpers and options.  

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