Copper Conductors》及IEC 62255-2003《Multicore and Symmetrical Pair/Quad Cables for Broad-band Digital Communications(High Bit Rate Digital Access Telecommunicatior Networks)-Out- side Plant Cable》。
Copper Conductors》及IEC 62255-2003《Multicore and Symmetrical Pair/Quad Cables for Broad-band Digital Communications(High Bit Rate Digital Access Telecommunicatior Networks)-Out- side Plant Cable》。