数字通信用聚烯烃绝缘室外对绞电缆 第1部分：总则
Multicore and symmetrical pair outside plant cables for digital communications - Polyolefin Insulate - Part 1: Generic specification
2017-11-07
IEC 62255-2-2005
Multicore and symmetrical pair/quad cables for broadband digital communications (high bit rate digital access telecommunication networks) - Outside plant cables - Part 2: Unfilled cables - Sectional specification
宽带数字通信（高比特率数字接入电信网络）用多芯对称对绞/四芯电缆.室外设备电缆.第2部分:未填充电缆.分规范