新型网络传输媒介------通信级塑料光纤...

<p><font face="Verdana">新型网络传输介质---通信级塑料光纤</font></p>
<p class="MsoNormal" style="MARGIN-LEFT: 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">随着网络技术的成熟和发展，大量视频语音数据业务涌现，<span style="mso-bidi-font-weight: bold">用户已经由被动使用互联网到主动创造互联网，宽带接入</span>成为人们衡量办公条件和居住环境的一个重要因素。</span><span style="COLOR: #010101; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">光纤到户（</span><span lang="EN-US" style="COLOR: #010101; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt">FTTH</span><span style="COLOR: #010101; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">），将</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">使整个通信网结构发生根本性变化。</span><span style="COLOR: #010101; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">作为</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">领先的塑料光纤集成系统供应商和解决方案提供商，致力于<span lang="EN-US">FTTH/FTTD</span>事业的发展，研制</span><span class="black"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">环保、节能、安全、方便、人人都用得起的</span></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">驻地全光网络接入系统。每个人都可以选用不同的套装，搭建光纤到桌面的任意场景，实现光通信的梦想。<span lang="EN-US"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">塑料光纤接入网顺应<span lang="EN-US">“</span>光进铜退<span lang="EN-US">”</span>趋势，是新一代短距离传输系统。作为用户驻地网络的基本架构，支持</span><span lang="EN-US" style="COLOR: #010101; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.5pt">FTT</span><span lang="EN-US" style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">x</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">的各种场景，满足“三网合一”和智能楼宇综合布线的需求，适用于智能楼宇、居民小区、工业园、学校、医院、酒店、网吧以及安防监控广播和要求屏蔽保密防雷等各种场景。用户可以根据需求，选择不同的配置。<span lang="EN-US"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">塑料光纤接入网属于屏蔽系统，不受电磁影响，可以与电线一同安装。数据流通过时，铜缆对其不会产生干扰，高质量的语音、数据和图象信号被完整地传送给每个信息点。<span lang="EN-US"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">系统完全支持快速以太网协议，<span lang="EN-US">100Mb/s</span>单级传输距离<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" unitname="米" sourcevalue="100" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US">100</span>米</st1:chmetcnv>，适合短距离传输，需要时</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">通过中继器扩展连接长度可以超过</span><st1:chmetcnv w:st="on" unitname="米" sourcevalue="1000" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="LINE-HEIGHT: 150%; FONT-FAMILY: Verdana; mso-bidi-font-size: 10.5pt">1000</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">米</span></st1:chmetcnv><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">。配合石英光纤，将实现真正的“全光网络”“光纤到桌面”。</span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">塑料光纤特别适合接入点多的楼层水平布线场景，具有抗弯曲、耐震动、施工方便的优点，柔软和超细外径的塑料光缆无论是在墙内、墙外、墙脚线、地毯下方还是天花板或其他线缆通道，也无论是新建筑施工还是旧楼宇改造，铺设起来都极为方便。终端使用者可以随意将塑料光纤切成需要的长度自行安装，即插即用</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">。</span><span lang="EN-US" style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt">塑料光纤接入网采用损耗系数<span lang="EN-US">150~200dB/km</span>、直径<st1:chmetcnv w:st="on" unitname="mm" sourcevalue="1" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US">1mm</span></st1:chmetcnv>的塑料光纤，被覆成<span lang="EN-US">1.5</span>或<st1:chmetcnv w:st="on" unitname="mm" sourcevalue="2.2" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US">2.2mm</span></st1:chmetcnv>的双芯光缆，<st1:chmetcnv w:st="on" unitname="米" sourcevalue="100" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US">100</span>米</st1:chmetcnv>重量小于<st1:chmetcnv w:st="on" unitname="g" sourcevalue="800" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US">800g</span></st1:chmetcnv>，抗拉强度大于<span lang="EN-US">140N</span>，数值孔径<span lang="EN-US">NA</span>为<span lang="EN-US">0.3~0.5</span>，受光角最大可达<span lang="EN-US">60°, </span>光纤接续中心对准偏差小于<span lang="EN-US">30μm</span>时，几乎不影响耦合损耗，比其他网络传输介质（如<span lang="EN-US">5/6</span>类线）有更多的优势，能够全面取代铜线。<span lang="EN-US"><o:p></o:p></span></span></p>
<p><span style="FONT-SIZE: 10.5pt; LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times new=" Arial; mso-hansi-font-family: mso-ascii-font-family: New? Roman?; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA?>&nbsp;&nbsp;&nbsp; 另外，石英光纤在近红外光下传输，容易对眼睛造成伤害，石英光纤的碎屑也会对人体健康造成威胁。塑料光纤是在可视红光下传输信号，不会对肉眼造成伤害，适合于安装在办公室和居民家中。在眼保护和废弃物处理方面，消除了使用石英光纤存在的危险。</span></p>

[此贴子已经被作者于2010-4-22 14:13:34编辑过]