网卡有10M,10M/100M,100M,1000M. 网线有3类(10M)、5类(100M)、超5类线(155M)、6类线(255M).. 网卡有10M,10M/100M,100M,1000M. 网线有3类(10M)、5类(100M)、超5类线...
2013-09-08 http://www.it892.com/content/network/broadband/20130908/4880.html网线有两种做法,一种是交叉线,一种是平行线 交叉线的做法是:一头采用568A标准,一头采用568B标准 平行线的做法是:两头同为568A标准或...
2012-08-13 http://www.it892.com/content/network/broadband/20120813/2579.html