Data Center Design and Build 10G和40G Cabling System的選用

详情描述：

從國際標準角度來看，由於Cat.6 Structured Cabling System 
不能滿足10Gbps的數據中心應用，未來再升級的可能性比較小，因此建議優選Cat.6A Structured Cabling System 
。而Cat.7和Cat.7A Structured Cabling System ，雖然支持10Gbps，甚至是25Gbps的Data Center 
Design and Build，但由於目前可選擇的網絡設備較少，加上造價較高，所以不推薦選用。
至於40Gbps的Data Center Design and Build 應對應Cat.8Structured Cabling 
System。目前Cat.8 Structured Cabling 
System主要分為Cat.8.1及Cat.8.2，兩者的系統帶寬都是2000M在，鏈路長度24米，信道長度為30米，提高整條信道的信噪比。其區別在於：
Cat.8.1是從Cat.6A Cabling 
System的技術升級，採用大導體低衰減的方案，配套使用改進的RJ45模塊，向下兼容原先Cat.6A支持的應用。
Cat.8.2則是是從Cat.7和Cat.7A Cabling 
System的技術升級的，採用線對屏蔽低串擾方案，配套使用Tera、ARJ45模塊，向下兼容原先Cat.7A支持的應用。
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Selection of Data Center Design and Build 10G and 40G Cabling System
From the perspective of international standards, since the Cat.6 Structured 
Cabling System cannot meet the 10Gbps data center application, the possibility 
of future upgrades is relatively small. Therefore, it is recommended that Cat.6A 
Structured Cabling System is preferred. Cat.7 and Cat.7A Structured Cabling 
System, although they support 10Gbps or even 25Gbps Data Center Design and 
Build, they are not recommended because there are fewer network devices 
currently available and the cost is high.
As for the 40Gbps Data Center Design and Build, it should correspond to 
Cat.8Structured Cabling System. At present, the Cat.8 Structured Cabling System 
is mainly divided into Cat.8.1 and Cat.8.2. The system bandwidth of both is 
2000M, the permanent link length is 24 meters, and the channel length is 30 
meters, which improves the signal-to-noise ratio of the entire channel. The 
difference is:
Cat.8.1 is a technical upgrade from the Cat.6A Cabling System. It adopts a 
large conductor and low attenuation scheme, supporting the use of an improved 
RJ45 module, and is backward compatible with the applications originally 
supported by Cat.6A.
Cat.8.2 is an upgrade from the technology of Cat.7 and Cat.7A Cabling System. 
It adopts a wire-pair shielding low crosstalk solution, supporting the use of 
Tera and ARJ45 modules, and is backward compatible with the applications 
previously supported by Cat.7A.
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LIV is a professional data center to set up a company, with a group of 
professional team intimate attention to customer requirements, and provide 
quality services.
For more information about 'Selection of Data Center Design and Build 10G and 
40G Cabling System'，please visit : http://livservices.com.hk
Address: Unit 4, 4/F., Hung Tai Industrial Building,37-39 Hung To Road, Kwun 
Tong, Hong Kong
Tel:  852 3106 3235