gyt200.2-2004 hfc网络数据传输系统技术规范 第2部分射频接口及协议(附编制说明)

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1、GY中华人民共和国广播电影电视行业标准GY/T200.2—2004HFC网络数据传输系统技术规范第2部分：射频接口及协议SpecificationforHFCdatatransmissionsystemPart2:RFinterfaceandprotocol（ITU-TJ.112，TransmissionSystemsforInteractiveCableTelevisionServices，MOD）2004-03-22发布2004-05-01实施国家广播电影电视总局发布标准分享网www.bzfxw

2、.com免费下载GY/T200.2—2004目次前言.................................................................................................II引言................................................................................................III1范围.......................

3、.........................................................................12规范性引用文件......................................................................................13术语、定义和缩略语.........................................................................

4、.........13.1术语和定义........................................................................................13.2缩略语............................................................................................74通讯协议.........................................

5、...................................................84.1协议栈............................................................................................84.2MAC转发器.......................................................................................114.3

6、网络层...........................................................................................134.4在网络层之上.....................................................................................144.5数据链路层....................................................

7、...................................144.6物理层...........................................................................................155物理媒介依从子层（PMD）规范........................................................................155.1上行.....................

8、........................................................................165.2下行.............................................................................................296下行传输会聚子层.....................................................