CWDM系统多路光纤信号复用解决方案
<p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">随着信息网络业务的高速增长，人们对传输线路带宽和业务的需求不断扩大，如何有效地提高光纤带宽利用率是当今光纤网络建设在必须正视的问题，这包括租用光纤的运营商和光纤敷设不足、光纤敷设受限或业务增长迅速致使光纤资源紧张的运营商等。</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">凌日科技秉承多年来对光纤网络的研究和深刻理解，吸取了前面光纤网络建设的前鉴，提倡“合理构建”，充分分析现有光纤资源，构建成本合理、支持多业务传送的城域网络。<span lang="EN-US">CWDM</span>能够利用设备取代光缆的敷设，降低了设备成本，以太网、吉比以太网、各类<span lang="EN-US">SDH</span>等级的接口都可以进入<span lang="EN-US">CWDM</span>设备，能为城域网和接入网建设节省大量成本。并且<span lang="EN-US">CWDM</span>设备由于使用了非冷却激光技术和<span lang="EN-US">un</span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">?</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">EDFA</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">技术，同时在传输线路上无须进行功率均衡、色散、非线性等方面的考虑，大大降低了光器件成本。在<span lang="EN-US">0</span>～<span lang="EN-US">100km</span>内的传输性能价格比较高，堪称城域和接入网构建最合理技术之一。</span><span lang="EN-US" style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">方案的主要特点是：不用重新敷设光缆，支持多业务传送，预留业务接口，扩展升级灵活，网管方便，维护简单，扩容可靠性高。当然更为重要的一点是成本合理。由于开通过程简单，仅断开业务<span lang="EN-US">20</span>秒，所以对运营基本没有影响。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"> <p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">点对点多路业务组网结构<span lang="EN-US"><p></p></span></span></strong></p><p><img class="" height="258" alt="" src="http://www.szlingri.com/userfiles/538%20258diandaodian(1).jpg" width="538"/></p><p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">特点：在此网络中，两点直接设备利用有限的光纤资源，复用出几倍于原有的带宽来实现多业务双向汇聚，一跟光纤最大可以传送<span lang="EN-US">8</span>路独立的信号，一对光纤最大可以传送<span lang="EN-US">16</span>路独立的信号，可以承载的业务包括<span lang="EN-US">10/100/1000M</span>的<span lang="EN-US">IP</span>业务，<span lang="EN-US">155/622/2.5Gbit/s</span>的<span lang="EN-US">POS</span>业务 及<span lang="EN-US">1.25Gbit/s</span>以下的各中速率业务。适合使用在两点之间光缆不足的情况下实现多路信号传输，比传统的<span lang="EN-US">DWDM</span>成本更低，性价比更高。优点：节省光纤资源，快速展开新业务，降低扩容成本，不同波长之间信息隔离，安全性高。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><strong><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"> <p></p></span></strong></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">点到点<span lang="EN-US">WDM---PON</span>结构</span></strong></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><img class="" height="246" alt="" src="http://www.szlingri.com/userfiles/525%20207%20pon.jpg(1).jpg" width="511"/></span></strong></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"></p><p></p><p></p><p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">特点：在此网络中，两点直接设备利用有限的光纤资源，复用出几倍于原有的带宽来实现多业务双向汇聚，一跟光纤最大可以传送<span lang="EN-US">8</span>路独立的信号，一对光纤最大可以传送<span lang="EN-US">16</span>路独立的信号，可以承载的业务包括<span lang="EN-US">10/100/1000M</span>的<span lang="EN-US">IP</span>业务，<span lang="EN-US">155/622/2.5Gbit/s</span>的<span lang="EN-US">POS</span>业务及<span lang="EN-US">1.25Gbit/s</span>以下的各中速率业务。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"> </span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">适合住宅小区、校园网以及接入点相对密集区域的宽带互联网及综合业务接入，从局端一根或一对光纤上复用多路信号传送到接入点，由无源ＣＷＤＭ设备将对应波长的信号再分配到对应的用户，构成ＰＯＮ网络接入结构。优点：节省光纤资源，快速展开新业务，降低扩容成本，不同波长之间信息隔离，安全性高。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"> <p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span><strong>链状组网结构<p></p></strong></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><img class="" height="300" alt="" src="http://www.szlingri.com/userfiles/510%20300%20chain(1).jpg" width="510"/></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"></p><p><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">特点：使用波分复用终端和光分插复用设备配合组网，从主站同时向多个节点传送信号，再通过<span lang="EN-US">OADM</span>（光分插复用）设备直接下载或上传本地的信号业务，而每一个信号通道都使用不同的波长独享带宽，可以承载的业务包括<span lang="EN-US">10/100/<chmetcnv unitname="m" sourcevalue="1000" hasspace="False" negative="False" numbertype="1" tcsc="0" wst="on">1000M</chmetcnv></span>的<span lang="EN-US">IP</span>业务，<span lang="EN-US">155/622/2.5Gbit/s</span>的<span lang="EN-US">POS</span>业务及<span lang="EN-US">1.25Gbit/s</span>以下的各中速率业务。优点：节省光纤资源，快速展开新业务，降低扩容成本，不同波长之间信息隔离，安全性高。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><strong><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"> <p></p></span></strong></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">环网组网结构<span lang="EN-US"><p></p></span></span></strong></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><img class="" height="472" alt="" src="http://www.szlingri.com/userfiles/510%20ring(1).jpg" width="509"/></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"></p><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">特点：该结构在光缆的敷设上延用了ＳＤＨ的环型结构，并在物理层上对环路进行保护，在环上可以增加十几个子节点，在信道的连接上采用多路用技术，保留原以太网的拓扑结构。适用于对原来的ＳＤＨ网络进行升级、扩容改造，为地区的城域网建设提供了较嘉的解决方案。优点：节省光纤资源，快速展开新业务，降低网络的改造和扩容成本。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">LRC1500</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">系列产品，为标准<span lang="EN-US">19</span>英寸标准机箱结构，包括：<span lang="EN-US">C1504</span>（四路双向汇聚）、<span lang="EN-US">C1508</span>（八路双向汇聚）、<span lang="EN-US">C1516</span>（十六路双向汇聚）三种型号，提供<chsdate wst="on" year="2004" month="8" day="16" islunardate="False" isrocdate="False"><span lang="EN-US">4/8/16</span></chsdate>个双向传输通道；兼容多种速率接口，提供<span lang="EN-US">100Mbit</span>/<span lang="EN-US">s</span>－<span lang="EN-US">2</span>．<span lang="EN-US">5Gbit</span>/<span lang="EN-US">s</span>速率兼容的光模块；支持多种业务接入，包括<span lang="EN-US">SONET</span>/ <span lang="EN-US">SDH</span>、<span lang="EN-US">ATM</span>、<span lang="EN-US">Eth</span>?<span lang="EN-US">ernet</span>、<span lang="EN-US">FiberChannel</span>等电信和数据业务；支持长达<chmetcnv unitname="km" sourcevalue="80" hasspace="False" negative="False" numbertype="1" tcsc="0" wst="on"><span lang="EN-US">80km</span></chmetcnv>的无在线放大传输；提供本地串口管理和以太网接口的远程<span lang="EN-US">SNMP</span>管理等。设备体积小、易维护、造型美观、安装方便；组网灵活，可以构建点到点、链形、环形等拓扑结构的光城域网，作为快速以太网、吉比以太网、<span lang="EN-US">SDH</span>、<span lang="EN-US">ATM</span>、光纤通道等多种数据格式的公共传输平台。</span></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">特点：使用波分复用终端和光分插复用设备配合组网，从主站同时向多个节点传送信号，再通过<span lang="EN-US">OADM</span>（光分插复用）设备直接下载或上传本地的信号业务，而每一个信号通道都使用不同的波长独享带宽，可以承载的业务包括<span lang="EN-US">10/100/<chmetcnv unitname="m" sourcevalue="1000" hasspace="False" negative="False" numbertype="1" tcsc="0" wst="on">1000M</chmetcnv></span>的<span lang="EN-US">IP</span>业务，<span lang="EN-US">155/622/2.5Gbit/s</span>的<span lang="EN-US">POS</span>业务及<span lang="EN-US">1.25Gbit/s</span>以下的各中速率业务。优点：节省光纤资源，快速展开新业务，降低扩容成本，不同波长之间信息隔离，安全性高。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><strong><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"> <p></p></span></strong></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">环网组网结构<span lang="EN-US"><p></p></span></span></strong></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><img class="" height="472" alt="" src="http://www.szlingri.com/userfiles/510%20ring(1).jpg" width="509"/></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"></p><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial;">特点：该结构在光缆的敷设上延用了ＳＤＨ的环型结构，并在物理层上对环路进行保护，在环上可以增加十几个子节点，在信道的连接上采用多路用技术，保留原以太网的拓扑结构。适用于对原来的ＳＤＨ网络进行升级、扩容改造，为地区的城域网建设提供了较嘉的解决方案。优点：节省光纤资源，快速展开新业务，降低网络的改造和扩容成本。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">LRC1500</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">系列产品，为标准<span lang="EN-US">19</span>英寸标准机箱结构，包括：<span lang="EN-US">C1504</span>（四路双向汇聚）、<span lang="EN-US">C1508</span>（八路双向汇聚）、<span lang="EN-US">C1516</span>（十六路双向汇聚）三种型号，提供<chsdate wst="on" year="2004" month="8" day="16" islunardate="False" isrocdate="False"><span lang="EN-US">4/8/16</span></chsdate>个双向传输通道；兼容多种速率接口，提供<span lang="EN-US">100Mbit</span>/<span lang="EN-US">s</span>－<span lang="EN-US">2</span>．<span lang="EN-US">5Gbit</span>/<span lang="EN-US">s</span>速率兼容的光模块；支持多种业务接入，包括<span lang="EN-US">SONET</span>/ <span lang="EN-US">SDH</span>、<span lang="EN-US">ATM</span>、<span lang="EN-US">Eth</span>?<span lang="EN-US">ernet</span>、<span lang="EN-US">FiberChannel</span>等电信和数据业务；支持长达<chmetcnv unitname="km" sourcevalue="80" hasspace="False" negative="False" numbertype="1" tcsc="0" wst="on"><span lang="EN-US">80km</span></chmetcnv>的无在线放大传输；提供本地串口管理和以太网接口的远程<span lang="EN-US">SNMP</span>管理等。设备体积小、易维护、造型美观、安装方便；组网灵活，可以构建点到点、链形、环形等拓扑结构的光城域网，作为快速以太网、吉比以太网、<span lang="EN-US">SDH</span>、<span lang="EN-US">ATM</span>、光纤通道等多种数据格式的公共传输平台。</span></p></span> <p>学习啦，要CWDM模块的可以找我。</p><p>moweicanfk@hotmail.com</p> 顶下 学习啦，
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