行业标准：GY∕T 269-2013 NGB宽带接入系统 C-HPAV系统技术规范.pdf

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1、GY中华人民共和国广播电影电视行业标准GY/T269—2013NGB宽带接入系统C-HPAV系统技术规范NGBbroadbandaccesssystem—TechnicalspecificationofC-HPAV2013-08-14发布2013-08-14实施国家新闻出版广电总局发布GY/T269—2013目次前言...............................................................................III1范围.............................................

2、..................................12规范性引用文件.....................................................................23术语和定义.........................................................................24缩略语.............................................................................25概述...........

3、....................................................................26系统架构与总体要求.................................................................26.1系统组网架构...................................................................26.2系统协议框架..........................................................

4、.........26.3系统功能要求...................................................................26.4系统频带要求...................................................................26.5设备传输功能要求...............................................................26.6动态带宽分配功能.......................................

5、........................26.7多业务QoS要求.................................................................26.8安全性要求.....................................................................26.9网络管理要求...................................................................26.10其他要求........................

6、..............................................27信道调度和业务承载.................................................................27.1MAC服务描述....................................................................27.2信道调度.......................................................................27.3服务质量（

7、QoS）................................................................27.4工作模式.......................................................................27.5业务分类.......................................................................28系统管理及维护...............................