1、电缆的命名Nameoflinecable线缆元素种类Kindoflinecableelement线缆元素数目Numberoflinecableelement单独屏蔽Singlescreen总体屏蔽Totalscreens线对Doublelines四线组Groupwithfourlines线对Doublelines1-n1-n2-n否NO否NO否NO否NO否NO是YESUTPUTPUTP四线组Groupwithfourlines线对Doublelines四线组Groupwithfourlines1-n1-n1-n否NO是YES是YES是YES是YES是YESUTPSTPSTP1）虽然这种线缆称为UTP（有时称S/UTP或FTP），但它需要能够处理屏蔽层的连接硬件。1)AlthoughthelinecableiscalledUTP(sometinmescalledS/UTPorFTP),itneedsconnectedhardwarewhichcandealwithinthefloorofscreen3、线缆的功能元素Functionelementoflinecable圆区配线架（CD）Wiringframeintheround（CD）圆区主干线缆Trunklinecableintheround楼宇配线架（CD）Wiringframeinthebuilding（CD）楼宇主干线缆Trunklinecableinthebuilding楼层配线架（FD）Wiringframeoffloor（FD）水平线缆Levellinecable转接点（可选）（TP）Transferpoint(optional)（TP）电信插座（TD）Socketoftelecom（TD）4、线缆的结构StructurelinecableCDBDFDTP可选OptionalTO终端设备Equipmentofterminal圆区主干线缆系统Subsystemoftrunklinecableintheround楼宇主干线缆子系统Subsystemoftrunklinecableinthebuilding水平线缆子系统Subsystemoflevellinecable工作区线缆Lineceableinworkingzone线缆系统Systemoflinecable2006©版权所有上海研庆电子有限公司销售热线：021-61471172021-61471183E-mail)