ITU-T L.13-2003
在外线设备中光缆护套的接头和光纤安放 系列L:电缆及户外设备的其他部分的结构、安装和保护(研究组6)
Performance requirements for passive optical nodes: Sealed closures for outdoor environments SERIES L: CONSTRUCTION INSTALLATION AND PROTECTION OF CABLES AND OTHER ELEMENTS OF OUTSIDE PLANT Study Group 6