什么叫作超五类网络线？
超五类网线，即超五类双绞线，包括超五类非屏蔽双绞线(UTP—Unshielded Twisted Pair)和超五类屏蔽双绞线两种。超五类非屏蔽双绞线是在现有五类屏蔽双绞线的基础上将部分性能加以改善，如近端串扰、衰减串扰比以及回波损耗等性能参数都有所提高，但其传输带宽仍为100MHz。
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