本文件与SCTE 179 2012相同，但可能已更新的信息性组件除外，如标题页、通知文本、页眉和页脚。本文件未作任何规范性修改。 2012年发布的本标准提到了一个已经过去的最后期限。本标准2020年版保留了对过去日期的提及，以供历史参考。 本文件旨在提供有关有线电视运营商采用通用警报协议（CAP）的一般背景信息，以及一份通用技术和操作检查表，以协助准备传输CAP信息。

This document is identical to SCTE 179 2012 except for informative components which may have been updated such as the title page, NOTICE text, headers and footers. No normative changes have been made to this document. The 2012 release of this standard mentions a deadline that is now past. This 2020 release of the standard maintains mention of this past date for historical reference. This document is intended to provide general background information concerning Cable operators' adoption of the Common Alerting Protocol (CAP) and a generic technical and operational checklist to assist in preparing for the carriage of CAP messages.