CISCO-RFGW

©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID1RFGW-1射频网关（IPQAM调制器)©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID2RFGW-1•密集QAM阵列•基于IP传输MPEG数据•VOD业务•接收单节目流（SPTS）•完成基本复用，路由到QAM卡，QAM调制和上变频•具有加扰功能•广播业务•接收多节目传输流（MPTS）•完成路由到QAM卡，QAM调制和上变频•高速数据业务•Widebanddata，多频道绑定•DOCSIS3.0M-CMTS©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID3RFGW-1•1RU高，热插拔QAM卡•96路QAM输出(6块卡，每块卡有2个8路QAM输出）•冗余电源(AC/AC,AC/DC或DC/DC)•4路IP输入©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID4双路电源QAM卡RFGW-1©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID5前面板示图•多个LED显示各种工作状态•LCD和键盘方便参数设置•IP地址LCD显示，通过键盘可更改设置•参数设置后可通过键盘操作设备重启，免插拔电源©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID6双路备份电源后面板示图网管（10/100Base-T）CA双路备份DTI端口4个GbE端口6块QAM卡©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID7QAM卡•每块卡有16个QAM频道•2个RF输出端，每个有2组4个相邻频道输出•频率范围：45~1000MHz•输出电平（-10dB可调，0.1dB步进）一个频道输出：62dBmV，二个频道输出：58dBmV四个频道输出：54dBmV八个频道输出：52dBmV©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID8RFGW-1•基本配置48路•可通过软件升级至96路©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID9DDSQAMModuleDDSQAMModuleDDSQAMModuleDDSQAMModuleDDSQAMModuleDDSQAMModuleGbEDTIMgmtStreamManagementPlatformManagementControlPlaneInputStreamProcessingDataPlaneSchedulerOutputStreamProcessingDe-Jitter(andEncryption)ControllerModule12RFPorts(F-Type)2x4QAMs/Port4GbEInputsRJ-45(2)10/100Base-TI/OModule工作原理图©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID10极佳的RF性能频率稳定度：±3ppm精度：±3ppm电平稳定度：±1dB精度：±1dBMER均衡前：≧40dB均衡后：≧45dB超过CableLabsDRFI标准（DownstreamRFInterfacespecification）采用DDS技术DirectDigitalSynthesis©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID11强大的功能支持2048个点播节目流支持VBR、CBR支持UDP、RTP支持基于IP地址的IP滤波缓冲最大到+/-150ms以应对网络抖动©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID12系统控制器–GbE接口•有4个GbE端口可选(SFP)•可选择自动判断输入口•2对接口主/备配置•切换时间可设置•基于链路检测或链路+UDP检测触发•实行IP滤波和缓冲•基于IP地址进行IP滤波•缓冲最大到+/-150ms以应对网络抖动©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID13WebGUI图形化界面，方便用户操作©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID14QuasarMKIIRFGW-1QuasarMKIIRFGW-1©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID15QuasarMKII与RFGW-1主要指标比对QuasarMKIIRFGW-1指标频率范围(MHz)输出电平(dBuV)MER(dB)寄生抑制(dB)50~870110~1204055045~1000112~12245550BER(10-９)©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID16Off-AirReceiverDCMDCMOff-AirReceiverLocalcontent:GigE:ASIHubMasterHEOff-AirReceiverDCMMasterHEDCMOff-AirReceiverLocalcontentHubIP骨干网，HFC接入网BackboneNetworkIP©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID17三种应用场景•广播业务应用•VOD业务应用•高速数据业务应用•DOCSIS3.0M-CMTS©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID18全IP方案©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID19全IP方案©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID20分前端IP方案©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID21VOD应用部署混合器RF©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID22M-CMTS架构信道和RF物理端口分离下行：QAM模块和DOCSIS处理模块分离uBR100012CMTSRFGW-1RFGW-10DTI服务器©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID23RFGW-10•基本配置480路©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID24RFGW-10结构双引擎10块RF线卡双电源12块RF输出卡双DTI时钟卡冗余风扇组©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID25引擎1:1冗余两个冗余QAM槽位，可以实现QAM板卡的N:1或者N:2等多种灵活的冗余组合RFGW-10©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID26双电源冗余双DTI板卡冗余8个独立工作的风扇RFGW-10©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID27关于网管，我们可提供……•免费提供MIB•ROSA网管•VODQAMManager•支持SNMP©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID28网管系统介绍•ROSA/服务器管理系统•QAM频道的大量配置•管理大量的QAM调制器•输入/输出配置：从文件服务器至QAM调制器•服务区域使用状况监视•显示每个服务区域的流量•提示已经消耗的一组QAM调制器的资源•指导投资与扩容QAM频道•指导HFC网络扩容©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID29不同时段流量统计©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID30不同日期流量统计比较©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID31不同时段使用率统计©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID32不同服务组的使用率统计©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID33性能评测RFGW1RFGW2GbE输入©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID34•Servinggrouputilizationmonitoring•AutomatictopologydiscoveryAutomaticmappingonPRISMAGbEtopologyNetworksareexpandedassubscribertakerategrows•Automatic-provisioningQAM’sgetsprovisionedassoonasitispluggedintothenetwork0,0%2,0%4,0%6,0%8,0%10,0%12,0%14,0%16,0%18,0%123456789101112131415161718192021222324Series1Series2Series3Series4Series6Series7Average扩容预测©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID35