Pat Chou

3 min read

Learn the difference between 100G LR and LR4 optics, and how pluggable form factors evolved between the introductions of the two.

2 min read

Optimized for data center applications, the QSFP28 100G DR is the second product in Cisco's Single-Lambda 100G portfolio of pluggable optics.

3 min read

Learn how fiber dispersion properties limit your link data rate and distance.

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There's a new addition to Cisco's Single-Lambda 100G series of QSFP28 optics that provides 10km reach. It's called 100G LR.

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The re-branded Ethernet Technology Consortium has released a specification for 800G signaling. This goes hand in hand with the new QSFP-DD800 form factor MSA.

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The new QSFP-DD800 form factor MSA lays the foundation for 800G Ethernet pluggable optics.

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Cisco Optics are now qualified on Cisco UCS servers even when using 3rd party NICs such as those from Intel, Mellanox, and QLogic. This is a significant development for data center operators who are more and more reliant on cables and pluggable optics as SFP and QSFP technology progress, and cloud applications dominate.

2 min read

Since the introduction of 100G pluggable optics several years ago, a great variety of reaches and form factors became available. Among the most confusing reaches are the Extended Reach variants. In this blog, we are going to explain what variants are available in the Cisco Optics portfolio, and the differences between them.

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Learn how the QSFP28 FR pluggable optic paves the way to 400G upgrades and how it impacts the network performance and deployment process in this next entry in the Single Lambda 100G blog series.

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Here's how to ensure your 100G optics are forward compatible. It's all about simplifying designs and standards so that manufacturers can support volumes equivalent to today's 10G SFP+ pluggable optics. The key is to use single-lambda 100G.

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The Single-Lambda 100G optics standards will be instrumental in the development of the next generation of 100G pluggable optics.

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A new 800G MSA is formed to support continued growth in traffic demand and the resulting need for higher link data rates in data centers. Once again, Cisco is there at the forefront.

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Gain insight into Cisco's vision for 100G pluggable optics of the future.

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Find out how to instantly double the utilization of your SP or IoT fiber infrastructure.

1 min read

25Gb optics add negligible cost to a new campus network. There's no reason not to choose it over 10Gb.

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Answering the question: How am I supposed to use Cisco’s 10/25G CSR transceiver when it’s proprietary?

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Clearing up the confusion about forward error correction and 25G short reach transceivers.

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In part 2 of this blog series, discover how Cisco maintains the industry's highest standards of transceiver quality and reliability.

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All 10G SFP+ ports now have access to tunable DWDM transceivers, thanks to this new product.

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Join Cisco Optics at the SP Power Session, where we will discuss how Cisco is prepared to guide service providers through network transformation -- driven by architectural shifts, 5G, and automation.

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What's the connection between thermal dissipation and data center interconnect? Find out here!

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Next time someone claims that all optics are the same, point them here.

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Paymon Mogharabi explains the benefits of Cisco's new 40G "CSR" extended reach transceiver.

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In this video interview, Craig Pasek explains the latest and greatest in 25G transceivers.

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We're excited to release a new addition to our portfolio of dual-rate pluggable transceivers: The 10/25G LR (Long Reach) SFP28 transceiver module, also known as SFP-10/25G-LR-S.

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On-camera interview about Cisco's single-wavelength 100G PAM4 technology demo at OFC 2019.

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Craig Pasek answers frequently asked questions about 25G transceivers.

3 min read

See how this demo proves that the QSFP-DD transceiver form factor can connect distant data centers together with coherent optics.

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See the new Cisco Optics silicon photonics technology showed at OFC 2019!

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Come visit Cisco Optics at OFC 2019 at booth #5829 for live demos and displays!

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Join Cisco Optics at OFC 2019 in San Diego!

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Find out how Cisco gained its reputation for problem-free pluggable optics in this first of a three-part series.

4 min read

Cisco’s 25G pluggable transceivers accommodate multiple operational scenarios for data center operators.

3 min read

Cisco’s new SFP-10/25G-LR-S transceiver enables easy upgrade in SMF enterprise networks.

4 min read

The 100G Lambda MSA group is driving the next generation of low cost 100G optics, and paving the way to 400G interconnects.

1 min read

Cisco’s new SFP-10/25G-CSR-S transceiver enables cost effective next generation enterprise networks.

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There’s a new standard in town, and it’s name is 400GE BiDi MSA.

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Dual-rate 40/100G QSFP BiDi is a big hit at Cisco Live 2018 in Orlando!

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Everything you always wanted to know about fiber optic data communication but were afraid to ask. Part 2: SMF vs. MMF

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Learn about the new MSA that enables low cost standardized 100G and 400G transceivers.

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This blog walks you through the basics of PAM4 modulation for current and next-generation optical transceivers.

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See optical innovations at OFC, like dual-rate BiDi, extended reach 25G optics for MMF, and a cool demo of the QSFP-DD transceiver form factor.

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QSFP BiDi at either 40G or 100G offers easy migration paths for data center upgrades.

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Incremental upgrades to data centers made easier with backward compatibility with 40G BiDi.

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First dual-rate 40G/100G ports. Now there’s a 40G/100G dual-rate pluggable optic!

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Everything you always wanted to know about fiber optic data communication but were afraid to ask. Part 1: Total Internal Reflection

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As data demands continues to rise, 25G provides 2.5x bandwidth in the same familiar 10G SFP+ package.

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With 40G/100G ports, you don’t have to replace the entire network all at once. Upgrade to 100G at your own pace.

1 min read

Forward Error Correction Enables 40km Reach with Cisco QSFP28 100Gb Pluggable Optical Transceivers