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Twinax Cable Knowledge
- Cable Labeling as Part of Data Center Management
- How to Correctly Run cables On Servers in a Data Center?
- 4 Realities You Should Consider 10G Ethernet for Your Business
- Is it finally the end of copper?
- Why We Need Both 40G and 100G Ethernet Cable?
- What is Twisted Pair Cable?
- Benefits of Twisted Pair Cable Construction
- Why Copper Is Used in Cables?
- A Brief Look at Ethernet Cable Construction
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Twinax Cable Knowledge
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Is it finally the end of copper?
When 10Gb Ethernet was first ratified as a standard, optical was the only option that was available. The idea of creating 10GBase-T (using RJ45 connected cables such as CAT6/6a) was around in 2002, became a standard in 2006 and just last month, Cisco announced their first product supporting this option. With the ratification of 40Gb and 100Gb coming in only a few months, we once again find that the options for cabling are optical and a short-distance copper (no UTP). A note on cabling:
- 10Gb Ethernet currently supports optical (300m support w/ OM3 multimode fibre), Twinax (SFP+DA copper w/ lengths varying by vendor, but < 10m) and 10GBase-T (CAT6 at 55m; CAT6a at 100m; note that today there are no FCoE solutions supporting 10GBase-T).
- Both 40Gb and 100Gb Ethernet will have a copper option up to 7m (QSFP connector – this is what is used in InfiniBand today, not what is used for 10Gb) and multimode optical up to 100m (and single mode up to 10km).
The official position of the Ethernet Alliance is that the adoption of 40/100 will see us shift from UTP to optical. With 1Gb Ethernet and earlier generations, over 99% of all cabling deployments were UTP/RJ45. The price, power requirements, distance limitations and other technical hurdles have been more and more difficult to overcome with each generation.
Storage customers using Fibre Channel are already using optical cabling, so for some customers that are converging the SAN and LAN into a single network with 10Gb Ethernet, the migration to an all optical configuration is easy.
For the legacy of customers with billions of ports of existing cabling infrastructure, it will be an analysis of whether they can reuse their existing environment. In new datacenter builds, there will need to be a determination as to how UTP and optical cabling options match the expected maturing of technology over the lifetime of a deployment (typically 5-10 years).
Sopto supplies high quality copper cables, like SFP+ Twinax Cables, XFP to XFP Cables and so on with reasonable price for gigabit and 10 gigabit Ethernet applications. For the newest quotes, please contact a Sopto representative by calling 86-755-36946668, or by sending an email to info@sopto.com. For more info, please browse our website.