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Technical White Papers

MPO Connector Basics and Best Practices

To handle higher bandwidth, improve network density, and prepare for future upgrades, more data center designers and network managers are moving to multi-fiber push-on connections or MPOs in their fiber network infrastructure.

Get a breakdown of all things MPO, including fiber counts, color coding, cleaning, and polarity considerations.


9 pages | File Type: Adobe PDF | Size: 450 KB


As the internet of things (IoT) continues to drive the need for additional bandwidth, higher speed and reduced latency is increasingly important. The adoption rate at which faster speeds and new transceiver form factors are being introduced into the market has ratcheted up exponentially over the past five years. As such, multi-fiber push on connectors or MPOs are becoming more and more relevant in data centers and enterprise networks.

In data centers, demand for 40 Gb/s reached its peak in 2018. Now, there’s a significant growth pattern for 100 Gb/s, and parallel growth for 25 Gb/s lanes. Looking closer at the 100 Gb/s segment, 100GBASE-SR4 and 2 km reach transceivers make up the bulk of the 100 Gb/s demand.

The growth of 25 Gb/s and 100 Gb/s has a lot to do with the newer IEEE (Institute of Electrical and Electronics Engineers) and MSA (Multisource Agreement) specifications for 25 Gb/s lanes (IEEE 802.3bm, PSM4 and CWDM4). Previously, the preferred solution for 100 Gb/s was 10 Gb/s over 10 lanes (100GBASE-SR10), following the early IEEE 802.3ba specifications.

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