Demystifying MTP® OM5 Cables: Everything You Need to Know

Posted on Aug 4, 2023 by

MTP® OM5 cable is a type of multimode fiber optic cable that is increasingly being used in data centers and other high-performance computing environments. This article will provide a comprehensive introduction to MTP® OM5 cable, including its features and benefits. We will also cover frequently asked questions about MTP® OM5 cable to help you make an informed decision when selecting fiber optic cables for your high-speed data transmission needs.

Introduction to MTP® OM5 Cables

OM5 cable is the newest type of multimode fiber cable. And MTP® OM5 fiber cable is a multimode fiber that utilizes high-density MTP® connectors. This kind of connector can accommodate up to 288 individual fibers saving a lot of space and resources for optical fiber wiring. MTP® OM5 has a clearly defined effective modal bandwidth (EMB) and fiber cable attenuation that performs across at least four low-cost wavelengths in 840 nm to 953nm. It was created to provide optimal support for shortwave division multiplexing (SWDM) applications, which reduces the amount of fibers needed for high-speed transmissions.

12-fiber and 24-fiber MTP®multimode OM5 cables are the two common types. MTP®-12 fibers OM5 patch cables are commonly used to establish high-performance 10G, 40G, or 100G connections. With 24 fibers in a single MTP® connector, MTP®-24 provides additional density versus three MPO-8 connectors or two MPO12 connectors, which shortens the cleaning and inspection time.


MTP® OM5 vs OM4 vs OM3 Cables

MTP® OM3 is a type of multimode fiber with a 50 µm core that can be utilized with FS 10G optical modules (10GBASE-SR) to achieve a transmission distance of 300 meters. In order to enhance the performance of MTP® OM3, the manufacturer developed MTP® OM4 with stricter specifications. MTP® OM4 can be used with 10G optical modules (10GBASE-SR) to achieve a transmission distance of 400 meters.

In comparison to OM3 and OM4 fiber patch cables, MTP® OM5 can be employed for higher bandwidth applications. MTP® OM5 cable can achieve its maximum transmission distance when used with SWDM optical modules. When used with 40G/100G optical modules (400G SWDM4/100G SWDM4), the transmission distance can reach 440 meters and 150 meters, respectively. The table below displays a comparison of OM3, OM4, and OM5. Please note that the data presented in the table is based on results obtained using the FS optical module.

Bandwidth (MHZ*KM)
Distance Limitation
Fiber Type
EMB 850 nm
EMB 953 nm
100G SWDM4
OM3 2000   300m 240m
OM4 4700   400m 350m 100m
OM5 4700 2470 400m 440m 150m

MTP® OM4 and OM5 fiber cables are often compared, but there are some common misconceptions that need to be cleared up. The TIA standard for OM4 fiber optical cable only requires a bandwidth of 4700 MHz.km at the 850-nm measurement wavelength, with no established specification for EMB at other wavelengths. In contrast, OM5 optic cable has a specific requirement of 4700 MHz.km at 850 nm and 2470 MHz.km at 953 nm.

This extra requirement ensures that all MTP® OM5 fibers meet the minimum performance requirement at 953 nm. While some people claim that MTP® OM5 optic cable has better reach than OM4 fiber, the truth is that this is true for multi-wavelength transceivers operating across the waveband from 850 nm to 940 nm. In these cases, MTP® OM5 delivers a significant performance improvement compared to MTP® OM4, and the cost increase is justified.


Frequently Asked Questions about MTP® OM5 Cables

Are MTP® OM5 cables compatible with other fiber optic solutions?

Yes, MTP® OM5 cables are compatible with other multi-mode fiber optics solutions, such as OM4 and OM3 cables. This makes them an ideal choice for upgrading existing fiber optic networks.

What is the installation process for MTP® OM5 cables?

Installing MTP® OM5 cable is similar to installing other fiber optic cables. However, it is important to ensure the connectors are properly aligned and the cable is not bent beyond its minimum bend radius. Professional installation is recommended to ensure optimal performance.

What are some key considerations when selecting MTP® OM5 cables?

When selecting MTP® OM5 cables, it is important to consider the cable length, the number of fibers required, and the type of connectors needed. It is also important to ensure that the cable meets industry standards for performance and safety.

Can FS provide OM5 multimode fiber?

Yes. At present, FS can offer MTP® OM5 trunk cables for 12/24 fibers with different polarities. For specific applications, custom services can also be provided.

Related Article: OM5 Multimode Fiber FAQs


While SWDM technology can be utilized with both OM4 and OM3 fibers, its primary benefit lies in OM5's capability to support SWDM applications within the wavelength range of 850-953 nm. This is not achievable with either OM4 or OM3 fibers. For other applications in the multimode sector, the OM4 fiber remains the practical and common choice. Therefore, MTP® OM5 cables are suitable for network environments that require high-speed data transmission, especially in data centers and other high-performance computing environments.

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