Applications for singlemode fiber-optic cabling

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Singlemode fiber-optic cabling systems, once found almost exclusively in service providers’ long-haul networks or in expansive campuses, are now commonly being used in data center and enterprise networks. How deep has singlemode gotten into these networks, and how much deeper are they likely to go? That’s the topic of this month’s In-Depth discussion.In the data center and the enterprise, long-wavelength transmission supported by singlemode fiber-optic cabling systems serve today’s networking needs and hold promise for tomorrow.

Applications for singlemode fiber-optic cabling

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Singlemode fiber-optic cabling systems, once found almost exclusively in service providers’ long-haul networks or in expansive campuses, are now commonly being used in data center and enterprise networks. How deep has singlemode gotten into these networks, and how much deeper are they likely to go? That’s the topic of this month’s In-Depth discussion.

5G means new RAN architectures, densification and more fiber

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Because of all the new requirements (e.g,. low latency, more bandwidth), new technologies (e.g. eCPRI) and new line rates (i.e. 10G, 25G) that 5G is imposing on the network, new testing practices must follow suit. Where bad splices or bad connections occurred in the past, 4G networks were quick to forgive, but 5G networks definitely won’t. So, unless thorough 5G testing practices are strictly followed, failure rates on new 5G deployments will increase.

TIA initiates work on new Single Pair Multi-Drop (SPMD) copper cabling, component spec

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TIA’s TR-42.7 Engineering Committee on Telecommunications Copper Cabling Systems (568) has issued a call for interest for document ANSI/TIA-568.6, initially titled, “Single Pair Multi-Drop (SPMD) cabling and component specifications.” The standard will address the need to support applications that use a bus topology with multiple branches connecting communication devices.

Amtrak overhauls passenger rail communications with OCC’s hybrid GPON fiber/copper system

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Starting a few years ago at Chicago’s Union Station and then in Baltimore and Washington DC, Amtrak equipped its new headquarters with a future-proof optical, advanced GPON (Gigabit Passive Optical Network) and Digital Electric systems. This gave their newly renovated facility a highly efficient, resilient and cost-effective network that provides a wide range of high bandwidth telecommunications capabilities at gigabit speeds.

II-VI Incorporated’s 25 Gbps Wavelength-Tunable Transceivers for 5G Fronthaul Earn 2020 Lightwave Innovation Reviews High Score

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II‐VI’s 25 Gbps wavelength-tunable transceivers received an Innovation Reviews High Score from Lightwave Magazine. II-VI’s 25 Gbps wavelength-tunable transceivers meet the CPRI 10 standard for 25 Gbps fronthaul links in a standard SFP28 pluggable form factor and over the full industrial temperature range. The transceivers support dense wavelength division multiplexing (DWDM) across the C-band, dramatically increasing transmission capacity per fiber, thus virtually eliminating capacity constraints due to fiber scarcity.

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The future of enterprise cabling has Cat 6A written all over it

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