分享：三网合一方案
<p><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">如图是首迈通信</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font>OnAccess<sup>?</sup></font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">的<span lang="EN-US">Internet</span>宽带接入、有线电视广播（<span lang="EN-US">CATV</span>）接入和<span lang="EN-US">IP</span>电话三网合一光纤到（<span lang="EN-US">FTTH</span>）解决方案组网方式。网络核心设备是放置于小区机房或大厦机房的</span><span style="font-size: 9pt; color: blue; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"><a href="http://www.firstmile.com.cn/ProductsView.aspx?id=35"><span style="color: blue;">OnAccess2224S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">三网合一视频复用光纤交换机，该三网合一视频复用光纤交换机通过光纤以<span lang="EN-US">1000M</span><span lang="EN-US">/100M</span>速率与<span lang="EN-US">Internet</span>边缘路由器或汇集交换机相联，实现小区网络接入<span lang="EN-US">Internet</span>，通过光纤与<span lang="EN-US">CATV</span>光纤网相联。一般地，<span lang="EN-US">CATV</span>光信号需要通过掺铒光纤放大器（<span lang="EN-US">EDFA</span>）放大后再接入三网合一视频复用光纤交换机。三网合一视频复用光纤交换机通过光纤和点对点的方式与放置在用户家中的</span><span style="font-size: 9pt; color: blue; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"><a href="http://www.firstmile.com.cn/OnAccess41x.aspx"><span style="color: blue;">OnAccess412S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"> </span><span style="font-size: 9pt; color: black; font-family: 黑体; letter-spacing: 0.2pt;">或</span><span style="font-size: 9pt; color: blue; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"><a href="http://www.firstmile.com.cn/OnAccess41x.aspx"><span style="color: blue;">OnAccess414S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">光网络单元相联，同时向用户提供双工<span lang="EN-US">100M</span>速率高速<span lang="EN-US">Internet</span>、<span lang="EN-US">CATV</span>广播和<span lang="EN-US">IP</span>电话接入。</span><span style="font-size: 9pt; color: blue; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"><a href="http://www.firstmile.com.cn/OnAccess41x.aspx"><span style="color: blue;">OnAccess412S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"> </span><span style="font-size: 9pt; color: black; font-family: 黑体; letter-spacing: 0.2pt;">或</span><span style="font-size: 9pt; color: blue; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"><a href="http://www.firstmile.com.cn/OnAccess41x.aspx"><span style="color: blue;">OnAccess414S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">光网络单元实现光电转换完成与计算机、电视机和<span lang="EN-US">IP</span>电话（或普通电话）的接口。</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p><p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt; text-indent: 21pt; line-height: 17pt; text-align: left;" align="left"><b style=""><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">主要设备：</span></b><b style=""><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></b></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"51pt; text-indent: -30pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US"><span style="">2<span style="font: 7pt="7pt""Times New="New"Roman";"> </span></span></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">局端：<span lang="EN-US"></span></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"63.9pt; text-indent: -23.5pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">n</span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"> </span><span style="font-size: 9pt; color: blue; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"><span style=""> </span><a href="http://www.firstmile.com.cn/ProductsView.aspx?id=35"><span style="color: blue;">OnAccess2224S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">三网合一视频复用光纤交换机，</span><span style="font-size: 9pt; color: blue; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"><a href="http://www.firstmile.com.cn/ProductsView.aspx?id=35"><span style="color: blue;">OnAccess2224S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">配置<span lang="EN-US">24</span>个复用<span lang="EN-US">CATV</span>光信号的<span lang="EN-US">100M</span>以太网单模单纤光端口，<span lang="EN-US">2</span>个<span lang="EN-US">1000M</span>上联光端口或<span lang="EN-US">10/100/1000M</span>电端口，<span lang="EN-US">1</span>个<span lang="EN-US">CATV</span>光信号输入端口。</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"42pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">用户端：</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"67.65pt; text-indent: -25.65pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">n</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: blue; letter-spacing: 0.2pt;" lang="EN-US"><a href="http://www.firstmile.com.cn/OnAccess41x.aspx"><span style="color: blue;"><font> </font></span><span style="color: blue; font-family: 宋体;">OnAccess412S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">光网络单元，配置一个解复用<span lang="EN-US">CATV</span>光信号的<span lang="EN-US">100M</span>以太网单模单纤上联光端口，<span lang="EN-US">1</span>个<span lang="EN-US">75</span>Ω<span lang="EN-US">CATV</span>同轴输出接口，<span lang="EN-US">4</span>个下联<span lang="EN-US">10/100M</span>以太网<span lang="EN-US">RJ45</span>电端口。</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"67.65pt; text-indent: -25.65pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">n</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">或</span><span style="font-size: 9pt; color: blue; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"><a href="http://www.firstmile.com.cn/OnAccess41x.aspx"><span style="color: blue;">OnAccess414S</span></a></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">光网络单元，配置一个解复用<span lang="EN-US">CATV</span>光信号的<span lang="EN-US">100M</span>以太网单模单纤上联光端口，<span lang="EN-US">1</span>个<span lang="EN-US">75</span>Ω<span lang="EN-US">CATV</span>同轴输出接口，<span lang="EN-US">4</span>个下联<span lang="EN-US">10/100M</span>以太网<span lang="EN-US">RJ45</span>电端口，<span lang="EN-US">1</span>或<span lang="EN-US">2</span>个普通电话的<span lang="EN-US">RJ11</span>口。</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"42pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">传输媒介：单芯单模光纤</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt; text-indent: 21pt; line-height: 17pt; text-align: left;" align="left"><b style=""><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">突出特点：</span></b><b style=""><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></b></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"48.2pt; text-indent: -30.25pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">在接入网上实现<span lang="EN-US">Internet</span>宽带接入、有线电视广播（<span lang="EN-US">CATV</span>）接入和<span lang="EN-US">IP</span>电话三网合一，可以完全取代<span lang="EN-US">HFC</span>的<span lang="EN-US">CM</span>接入方式；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">省去楼层交换机，只有小区机房是有源节点，降低维护成本；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">小区机房单一交换节点，有效提高交换机端口利用率；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">超高带宽，是<span lang="EN-US">ADSL</span>的<span lang="EN-US">100</span>倍；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">接入距离远，<span lang="EN-US">15KM</span>；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">电话：<span lang="EN-US">IP</span>电话和普通电话可选；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US">CATV</span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">与数字电视和高清晰电视完全兼容；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">网络远程监控各端口光电模块；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">具有端口隔离和端口带宽控制功能；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; color: black; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; color: black; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; color: black; font-family: 宋体; letter-spacing: 0.2pt;">强大<span lang="EN-US">Web Server</span>网管功能；</span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;" lang="EN-US"></span></p>
<p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; font-family: Wingdings; letter-spacing: 0.2pt;" lang="EN-US">2</span><span style="font-size: 9pt; letter-spacing: 0.2pt;" lang="EN-US"><font> </font></span><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;">特别适合于别墅区、高尚住宅区、写字楼等，适合于<span lang="EN-US">CATV</span>运营商，驻地网运营商；</span></p><p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><br/><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;"></span></p><p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><br/><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;"></span></p><p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><br/><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;"></span></p><p class="MsoNormal" style="margin: 0cm="0cm"0cm="0cm"0pt="0pt"39pt; text-indent: -21pt; line-height: 17pt; text-align: left;" align="left"><span style="font-size: 9pt; font-family: 宋体; letter-spacing: 0.2pt;">-------------------------------------------------<br/>深圳市首迈通信技术有限公司，专业生产三网合一<br/>设备，光纤交换机，光纤收发器，工业交换机，光纤<br/>网卡等等。<br/>联系人：周生<br/>地址：深圳市高新技术产业园科苑南路R3-A栋5楼<br/>www.firstmile.com.cn<br/> <br/>电话: +86-755-26712408<br/>手机： +86-150-1276-1453<br/>传真: +86-755-26712012<br/>QQ: 1512091022<br/>--------------------------------------------------<br/><br/><br/></span></p> <p>楼主辛苦了</p> 好贴 学习了 <font face="Verdana"> <span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; LETTER-SPACING: 0.2pt">具有端口隔离和端口带宽控制功能，是指在</span>2224s上呢？还是在4148做呢？还是都可以做？比如一个rj45用来上网，另一个rj45连结小区管理网络，且小区管理网络需要与上网用的网络物理隔离。</font> 学习了 顶~~~~~ 怎么看不到了 <p>好贴</p>
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