Tag Archives: 40GBASE-LR4

Optics Use Cases for 40 Gigabit Ethernet Connectivity

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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QSFP+ SR4 vs QSFP+ LR4

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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40G and 100G Pluggable Optics in the Data Center

40G and 100G are in full swing this year. All the topics, news and product solutions are around 40G and 100G, especially the pluggable optics, including transceivers, Copper DACs (Direct Attach Cables) and AOCs (Active Optical Cables). In data center … Continue reading

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Comparison of 40GbE Connectivity Options

High speed and wide bandwidth demands drive data centers to consolidate into more complex systems. The speed of data center now is increasing to 40 Gbps and eventually to 100 Gbps. Thus, new optical technologies and cabling infrastructure are required. … Continue reading

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Comparison of 40G QSFP+ LR4 and SR4 Optics

At present, for 40GbE, there are several kinds of transmission solutions. People usually use the 4 x 10 GE Breakout cable, 40G QSFP+ module or 40G CFP modules to achieve the 40GbE. Among them, the first two kinds of solutions … Continue reading

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