Answers:
到这里,它说STP电缆可以有RJ45引脚,在STP电缆文章http://www.ciscopress.com/articles/article.asp?p=31276下阅读
看看这个演示文稿(请先下载)
http://www.ethernetip.de/downloads/files/Installation%20of%20Ethernet%20Cables.ppt
这里有一些信息http://www.ampnetconnect.com/documents/Grounding%20and%20Bonding%20_Summary%20-%20pdf%20format.pdf