宽带网络工程设计规范 第一章总则····················································· 2 第二章系统设计················································· 4 第三章工作区子系统设计要点····································· 7 第四章水平子系统设计要点······································· 8 第五章建筑物(垂直)主干子系统设计要点· ························ 9 第六章交接间及设备间设计要点· ·································· 9 第七章管理子系统设计要点······································· 10 第八章建筑群