Lan cable are generically called UTP (Unshielded Twisted Pair) and are identified with a category rating.The first time it was the Lan cable, which we recovered.

• 详细检查了各电信运营企业的奥运通信保障工作方案和应急保障预案，并深入到通信枢纽楼、网管中心、重要弱电工程等重点部门、重点部位进行了实地抽查。