本文件旨在为根据不同的应用环境选择合适的外部设备（OSP）光缆提供指导。本文件将为国际电工委员会（IEC）和国际电信联盟（ITU-T）提供参考，以提供厂外光纤和电缆的推荐标准和程序。

The purpose of this document is to provide guidance in selection of a suitable outside plant (OSP) optical cable with respect to different application environments. This document will provide references to The International Electrotechnical Commission (IEC) and International Telecommunication Union (ITU-T) to provide recommended standards and procedures for outside plant optical fiber and cable.