【文章內容簡介】 ......................... 34 備份設備及技術 ......................................................................................................................... 34 產品配置 ...................................................................................................................................... 35 第七章 監(jiān)控監(jiān)聽系統 .................................................................................................................................... 36 ................................................................................................................................................ 36 ................................................................................................................................... 37 ................................................................................................................................................ 37 第八章 對講系統 ............................................................................................................................................. 38 ......................................................................................................................................................... 38 ................................................................................................................................................ 38 ................................................................................................................................................ 38 第九章 信息發(fā)布系統 .................................................................................................................................... 40 功能 ................................................................................................................................................ 40 ................................................................................................................................................ 40 第十章 手機屏蔽系統 .................................................................................................................................... 47 ....................................................................................................................................................... 47 3 .............................................................................................................................................. 48 ..................................................................................................................................... 48 第十一章 門禁、密碼柜系統 ....................................................................................................................... 49 ..................................................................................................................................... 49 門禁系統概述 ............................................................................................................................ 49 門禁系統設計方案 ................................................................................................................... 50 ......................................................................................................................................... 55 第十二章 音視頻系統 .................................................................................................................................... 57 ................................................................................................................... 57 .........................................................................................