The performance associated with class II cabling can only be realized when category 8.2 cables are used in conjunction with non RJ-45 interfaces such as the Siemon TERA® connector. The Category 7 cable standard was ratified in 2002 to allow 10 gigabit Ethernet over 100 m of copper cabling. Cat7 cables are what would bring the latest technology to your doorstep. Q:         Will a new type of connector be required for category 8 or can a modular eight-position modular RJ-45 interface be used? To achieve that type of bandwidth using RJ45 connectivity is a significant accomplishment. Cat 7 cables are always shielded and use a modified GigaGate45 connector, which is backward compatible with RJ45 Ethernet ports. Cat 6 is cable that's more reliable at higher speeds than Cat 5 or Cat 5e. Class I, class II, and category 8 cabling does not require more power to operate. This was a key requirement from the active equipment manufacturers to maintain compatibility with the billions of RJ45 … While you wait for the release of the Category 8 standard, read our latest study discussing emerging applications that require Category 6A cabling. A shield is required to meet stringent alien crosstalk requirements in a bundled cable configuration. Q:         Will category 8 cables be physically similar to category 6A and 7A cables and can category 8 cabling be installed leveraging existing infrastructure and termination methods? This cable provides a helpful backwards compatibility, so you don’t have to worry about it not playing nice with Cat 7s or 6s – it’s real high-end stuff, and … The higher speeds offered by Cat 8 are four times the speeds handled by previous standards. The physical connectors for Cat6 and Cat7 cables are still RJ45 plugs, but they're shielded and the standard calls for much less untwisting at the ends of the cable in the connectors than what is permissible for Cat5e. CAT 8 PERFORMANCE for a 10GBASE-T, 25GBASE-T or a 40GBASE-T channel compliant network up to 30 meters; GHMT Cat 8 channel performance verified; Fully backwards compatible with Cat 5e (Cat5e), Cat 6 (Cat6), or Cat 6A (Cat6A) Ethernet networks with 10Gbps support up to 100 meters CAT6A is also backwards compatible with CAT6 and CAT5E, however, speeds are always limited and will perform to the lowest category cable or connector that is installed in the link. An article on the popular Ghacks technology news blog by Martin Brinkmann, entitled, "Should you get a Cat6 or Cat7 Ethernet cable for your network? Class I, class II, and category 8 cabling will have a similar “look” and “feel” to lower grades of cabling and installation methods will not be significantly different. Throughout his career, Stéphane worked in the telecommunications industry; in R&D, product management, training and marketing. Class I, class II, and category 8 cabling is characterized to 2 GHz and intended to support 30 meter cabling channels that contain no more than 2 connectors. The CAT7 and 7a standard (standardized by ISO and IEC) and CAT8 (standardized by TIA) are two different standards and not Successors of each other. How will data transportation performance of Category 8 improve over predecessor versions? It is also important to point out that Category 8.2 connector interfaces are not backward compatible with the RJ45 jacks of existing cabling. Optimize | Modernize | Automate | Secure. Why Does Cat8 Ethernet Cost More? Under 40 Gigabit Ethernet, it will work up to 50 meters and under 100 Gigabit Ethernet, it is possible up to 15 meters. A: The ANSI/TIA Category 8 solution utilizes an 8 position modular 8 connector (commonly known as RJ45) and was designed to be backward compatible with the existing 8 position modular connectors that are utilized in structured cabling from Category 5e through to Category 6A. That is … As it’s clear that a category 7 network cable is not backward compatible with category 8 … Last month, we explained the basics about Category 8 cabling; this month, we’re explaining more about Category 8 cabling’s performance compared to its predecessor versions. Categories are backward compatible. While Director in Technology and Applications, Stéphane focused on technology roadmap and ideation, networking applications and trends, and standards engagement. Cat8 cable is also backward compatible with its previous versions. Most importantly, Cat8 Ethernet patch cables can support a speed of 25 Gbps or even 40 Gbps. Category 8 cabling is a shielded system that provides about 15 dB improvement (32 times less) alien crosstalk interference. In the case of internal crosstalk parameters, the differences are significant; with class FA beating class I and category 8 performance by more than 20 dB! CAT8 cable not fully compatible with category 7 and 7a ports . Also, the components need to be designed to meet strict transmission performance specifications up to 2 GHz, which is four times the bandwidth of Category 6A and two times the bandwidth of Category 7A. So besides an increase in price per foot, you are also limited on the length of each cable. Q:         How is the performance of category 8 cabling improved over its predecessor versions? »Download PDF, Your Guide to Network Cabling and Data Center Standards, Answers to Your Category 8 Cabling Questions, Copper and Optical Fiber Ethernet Applications Support Distances, 25GBASE-T to Optimize Migration to 40GBASE-T, De-Mystifying Type 4 PoE Nominal Current Specifications, Sign up for the Standards Informant E-Newsletter. 6A. The Category 6 Augmented cable standard, or Cat 6a, was created to further improve the performance of Cat 6 Ethernet cables.Using Cat 6a enables 10 Gigabit Ethernet data rates over a single cable run up to 328 feet. Cons – Due to different connectors, they are not compatible with cat5e and cat 6 cables. Power over Ethernet or “PoE”) and offer improved heat dissipation. The end result is that class I, class II, and category 8 cabling will offer unprecedented signal-to-noise margin for support of 25 Gb/s and higher transmission rates. In most things, higher performance costs more money. Nippon Labs Category 8 (Cat8) Ethernet Cable provides next generation data rate speeds that seamlessly connect devices across all networks for workspaces and home, and are backwards compatible with Cat5e, Cat6, Cat6A and Cat7. Q:         When will category 8 standards be ratified? … With the Category 8 cabling standard to be published later this year, it’s important to prepare for what this new standard will mean for data centers everywhere. A backward-compatible Cat 8 cable can be used interchangeably with previous versions of Cat cable without any problem. Category 8 is intended to be backwards compatible to Cat 6A, Cat 6 and Cat 5e. Class I, class II, and category 8 cabling has a unique channel topology that is optimized for support of both 25GBASE‑T and 40GBASE‑T server to switch connections in the data center. These channels and the emerging 25G/40GBASE-T applications that they support are specifically targeted for deployment at the data center “edge” where server to switch connections are made. Furthermore, while it’s too early to guarantee 25GBASE-T application support, there are efforts in place to characterize the capability of existing installed class FA/category 7A cabling plants to support 25 Gb/s data transmission. In fact, the superior performance offered by class II cabling may encourage more users to adopt fully-shielded cabling solutions constructed from non RJ-style connectors. Class I will use Cat 8.1 components and will be specified for frequencies up to 1.6GHz. Category 7 cable can be terminated either with 8P8C compatible GG45 electrical connectors which incorporate the 8P8C standard or with TERA connectors. Cat, which stands for category, defines a cable's specifications. Cat 8 Cable: The new 2GHz speed limit ... the cables remain backward compatible. 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