Tag Archives: 40GBASE-SR4

40GbE Parallel QSFP+ vs Duplex QSFP+ in 40G MMF Cabling

Posted on February 1, 2017 by Admin

There two ways to deploy 40GbE multimode fiber (MMF) infrastructure. One is using the parallel transceivers with 12-fiber MTP cables. And the other one is to use the duplex transceivers with LC duplex cables (view transceiver options for 40GbE over … Continue reading →

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How to Choose 40G QSFP+ Modules for Multimode Applications?

Posted on November 1, 2016 by Admin

With the popularity of 40G QSFP+ modules in datacom industry, there are more alternatives for choose to replace the traditional 40GBASE-SR4 QSFP+ modules for multimode applications. To choose the most proper 40G QSFP+ modules for your applications not only offers … Continue reading →

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Optics Use Cases for 40 Gigabit Ethernet Connectivity

Posted on August 16, 2016 by Admin

The 40 Gigabit Ethernet (GbE), used in today’s networks as the preferred spine uplink technology, has become commonplace in data centers. With the rise of 40GbE QSFP+ optics market, various of optics solutions are available, which offer users a lot … Continue reading →

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Use 40G BiDi QSFP+ to Transmit Over DLC MMF Cabling

Posted on May 18, 2016 by Admin

As we know, the most commonly used solution for 40GbE multimode application is based on the interface standard QSFP-40G-SR4, which is running over multimode fiber (MMF) pre-terminated with 8-fiber MPO/MTP connectors. This causes a problem of fiber waste of the existing … Continue reading →

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QSFP+ SR4 vs QSFP+ LR4

Posted on April 12, 2016 by Admin

The QSFP+ transceiver is the dominant transceiver form factor used for 40GbE (Gigabit Ethernet) applications. In 2010 the IEEE standard 802.3ba released several 40GbE standard and along with the general specification, defined a number of fiber optic interfaces. These standard … Continue reading →

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