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一老外发给我的英文资料

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一老外发给我的英文资料
谁帮我翻译一下啦,工作要用,说是让我选电缆的型号的,但没看明白.
Cabling
observation: use Ethernet cord set pre-assembled and tested bythe suppler, ordered at required length (the extra length has to be optimsed, according to the existing sizes proposed by the manufacturers), RJ45 RJ45, of uncrossed type (this is made possible thanks to the use of the autocossna switches), preferably white colour(and in any case, a distinct colour from that of use cables)
Cables characteristics:
o Ethernet cables 100 BASE TX (cable made of 4 twisted pairs)
o 100 ohms, FTP protection (sheet of foil surrounding the wires) with a mass drain connected to RJ45 connector shielding
o category 5 or higher (performance levels and characterstics of the cables certifed to be used at speed up to 100Mhz)
o Halogen free envelope(LszH) (fire proof and does not produce toxic smoke during combuston)
Brands: INFRAPUS, NENNs, R&M
说是让我选一下INFRAPUS,NEXANS,R&M这三个牌子的网线
和水晶头(即网线接口的头子)
一老外发给我的英文资料
电缆布线
注意:请使用供应商事先安装和测试过的以太网电线组件,要求达到指定长度(根据生产商提出的现有尺寸,多余长度必须得到优化),RJ45直通线(因为使用了自动开关),颜色最好是白色(无论如何,选用的颜色必须跟目前使用的电缆颜色区分开).
线缆特性:
以太网线缆 100 BASE TX (线缆包含4条双绞线)
100欧姆,FTP(文件传输协议)保护(电线外部包裹箔片),
5类及以上(线缆的性能级别和特性能保证网速达到100Mhz)
无卤素包覆(低烟无卤)(防火,燃烧时不产生有毒气体)
品牌:INFRAPUS, NENNs, R&M