Tag Archives: QSFP28

Introduction to 10GbE/25GbE/40GbE/100GbE Fiber Optic Cabling

Technology is changing rapidly. Just when you got used to Gigabit Ethernet speeds being a fast & reliable system, someone unveiled 10GbE, 25GbE, 40GbE or even 100GbE systems a few years later. The newer and higher performing iterations are indeed … Continue reading

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Several 100G DWDM Solutions for Arista 7500E Series

To keep up with the global demand for higher bandwidth, Arista has designated 7500E series switch to address 100G long-hual dense wavelength division multiplexing (DWDM) connectivity. Arista 100G interconnect solution combines Layer 2/Layer 3 switching, wire-speed encryption and coherent DWDM … Continue reading

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What’s the Difference Between 100G CLR4 and CWDM4?

Since the existing 100G Ethernet links with QSFP28 SR4 or LR4 are either too short or too expensive, 100G modules that can cover this enormous middle ground between 100m and 10km are expected to come to the market. 100G CLR4 … Continue reading

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QSFP28 PSM4 and CWDM4 in Data Center 100G Ethernet

QSFP28 is considered as the main form factor for 100G Ethernet in data center. And in order to satisfy different applications, various of 100G interfaces are developed. 100GBASE-PSM4 and 100GBASE-CWDM4 are two non-IEEE defined interface among them which are expected … Continue reading

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100GBASE-SR4 VS. 100GBASE-SR10

100 Gigabit Ethernet is popular in data center optics market this year. We have discussed much about 100G optics in the previous articles. In this blog, we are going to make a comparison between the two main physical layer standards … Continue reading

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