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src="http://cmsimgshow.zhuchao.cc/33602/201901151357104613360288241.png?path=www.gihsl89.top/uploads/cp/201901151357104613360288241.png" width="600px" height="300px"/> </div> <div class="newsview"><p>1.1.2上联光盘 CU2501<br /> 1.1.2.1概述<br /> CU2501上联盘,向上提供2个STM-16\光口Q向下提?2路差分LVDSȝQ其?路LVDSȝ速率可根据业务板卡属性自动从STM-1升到STM-4Q拓展业务带宽。单张CU2501可选支?8VC4×98VC4无阻塞交叉连接,颗粒度ؓVC4Q也可选支?6TU-3×96TU-3?016TU-12×2016TU-12无阻塞全交叉Q颗_度为TU-12和TU-3。盘上内|设备时钟单元,为系l提供同步定时功能?br /> CU2501只能插在讑֤的第5Q?槽位?br /> 1.1.2.2特点<br /> 光接口<br /> 提?个STM-16光口QOPTA/BQ;<br /> 用LC型SFP 光收发模块,支持热插拔;<br /> 支持光模块工作状态的实时监测Q?br /> 用单模光U,传输距离可选;<br /> 支持自动激光关断(ALSQ功能;<br /> 支持远端掉甉|(RPDQ的发送和接收功能Q?br /> 辅助接?br /> ?个RS232串行用户通道接口: RS232 (RJ45 q接?Q?br /> ?个外同步旉输入输出接口/扩展|管接口QETS1/EXM1、ETS2/EXM2(RJ45 q接?Q?br /> 交叉连接能?br /> 可选支?8VC4×98VC4无阻塞交叉连接,颗粒度ؓVC4Q也可选支?6TU-3×96TU-3?016TU-12×2016TU-12无阻塞全交叉Q颗_度为TU-12QTU-3Q?br /> 交叉方向支持双向和环回Q?br /> 支持上联到下联、下联到下联交叉Q?br /> 环回功?br /> 支持上联光口VC4/TU-3/TU-12通道向外环回Q?br /> 支持上联光口设备侧环回功能Q?br /> 支持环回自动解除功能,解除旉可设|;<br /> 保护倒换功能<br /> 支持SNCP保护Q?br /> 支持板内光?+1保护l网模式Q?br /> 保护倒换支持自动保护倒换和外部命令倒换方式Q?br /> 支?+1U性单/双端复用D保护;<br /> 同步定时源<br /> 可选跟tSTM-16上行光口QOPTA/BQ;<br /> 可选跟t外同步定时源ETS1/2Q?048Kbit/sQ?br /> 支持外同步定时源输出(T41/T42Q,2048Kbit/sQ?br /> 可选跟t支路定时源QT21Q;<br /> 可选择W合ITU-TG.813标准的内部定时源Q本地时钟)Q?br /> 定时参考源可根据告警、频偏、SSM{以及优先U设|自动选择Q也可强刉择Q?br /> 支持自由振荡、跟t、锁定和保持四种定时模式?br /> 支持点对点、链|、环|拓扑结?br /> 提供完备的告警和性能监测<br /> 可U_|络理q_Q实现基于SNMP的网l管?br /> <p> 支持FTP文g传输协议Q实现网元远E无损伤在线升 </p> <p> <img src="http://cmsimgshow.zhuchao.cc/33602/201902201527266173360298630.png" alt="" /> </p> <p> <br /> </p> <p class="MsoNormal" style="text-indent:21.0000pt;vertical-align:baseline;"> CU2501<span>主要p?/span><span>RC7835F</span><span>完成Q内部分为几个大的模块,</span><span>STM-16</span><span>复用模块Q?/span><span>S16MUX</span><span>Q,</span><span>STM-1/4</span><span>复用模块Q?/span><span>S1/4MUX</span><span>Q、交叉连接模块(</span><span>DXC</span><span>Q,开销交叉q接模块Q?/span><span>OHDXC</span><span>Q,旉模块Q?/span><span>SET</span><span>Q及理控制模块Q?/span><span>Management</span><span>Q组成?/span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;vertical-align:baseline;"> STM-16<span>复用模块完成</span><span>STM-16</span><span>光线路信号及开销处理Q?/span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;vertical-align:baseline;"> STM-1/4<span>复用模块Q?/span><span>S1/4MUX</span><span>Q完成对下联业务?/span><span>STM-1/4</span><span>ȝ之间的数据传输和理通信功能?/span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;vertical-align:baseline;"> <span>交叉q接模块完成׃部分l成Q?/span>AU4DXC,<span>支持</span><span>98AU-4*98AU-4</span><span>交叉q接。另一个交叉模块实?/span><span>32AU-4*32AU-4</span><span>?/span><span>96TU-3 * 96TU-3</span><span>?/span><span>2016TU12 * 2016TU12</span><span>旉交叉功能?/span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;vertical-align:baseline;"> <span>开销交叉q接模块实现</span>256<span>×</span><span>256 64K</span><span>通道开销交叉q接Q用于系l内?/span><span>DCC</span><span>理通道建立好维护?</span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;vertical-align:baseline;"> 旉模块完成板卡及设备的同步定时Q?</p> <p class="MsoNormal" style="text-indent:21.0000pt;vertical-align:baseline;"> <span>理控制模块完成讑֤?/span>CU2501<span>板卡的管理控制及?a href="http://www.gihsl89.top/supply/9.html" target="_blank">|管?/a>的通信?/span> </p> <p class="15">  <img src="http://cmsimgshow.zhuchao.cc/33602/201902201529578203360273900.png" alt="" /> </p> <p class="15"> <img src="http://cmsimgshow.zhuchao.cc/33602/201902201529593983360239057.png" alt="" /> </p> <p class="15"> <img src="http://cmsimgshow.zhuchao.cc/33602/201902201530013513360212359.png" alt="" /> </p> <p class="15"> <img src="http://cmsimgshow.zhuchao.cc/33602/201902201530031793360212947.png" alt="" /> </p> <p class="15"> 1.1.2.5l网模式<br />    CU2501支持盘内和盘间组|模式。盘内组|时Q?A5BQ?A8B成对Q盘间组|时Q?A8BQ?B8A成对。同CU622l网模式?br /> 注意Q?、不支持CU2501与其它盘?#?#槽位同时存在Q?br />       2、保护时隙对相应的VC4~号和TU12~号必须分别相同Q才能Ş成保护时隙对。如盘内保护ӞOptA-1VC4-30TU12与OptB-1VC4-30TU12可以形成保护旉寏V?br /> 1.1.2.6环回功能<br /> 同CU622盘的环回功能?br /> 1.1.2.7告警和性能<br /> 同CU622盘的告警和性能?</p> <p class="15"> <br /> </p> <p class="15"> <img src="http://cmsimgshow.zhuchao.cc/33602/201902201530563353360299347.png" alt="" /> </p> <p class="15"> <img src="http://cmsimgshow.zhuchao.cc/33602/201902201530581953360235349.png" alt="" /> </p> <p class="15"> <img src="http://cmsimgshow.zhuchao.cc/33602/201902201531003823360276374.png" alt="" /> </p> <p class="15"> <img src="http://cmsimgshow.zhuchao.cc/33602/201902201531021173360239662.png" alt="" /> </p> <p class="15"> <br /> </p> <p> <br /> </p></p></div> <div class="tag">相关标签Q?/div> <div class="tag">来源Q?a href='http://www.gihsl89.top/supply/63.html'>http://www.gihsl89.top/supply/63.html</a></div> <div class="tag">旉Q?019/1/14 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