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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="igxt8wn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101923829/7728521.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8fbsjfw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南光傳輸設(shè)備價格烽火STM-16,烽火</p><p><span>***更新：</span>2021-01-23 02:07:30</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3eagc3p" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市騰云科創(chuàng)信息咨詢有限公司</a></p><p><span>聯(lián)系人：</span>夏永 </p><p><span>郵箱: </span>87993378@qq.com</p><p><span>電話: </span>16625147809</p><p><span>傳真: </span>1550_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>1550-2042477</p><p><span>地址: </span>沙井街道蠔四社區(qū)街尾塘一巷5號幸福家園A棟、B棟、C棟、D棟D棟110D</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="rpwiea3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="pcdugx7" class="box"><p><p> SDH的主要設(shè)備 </p> <p> SDH設(shè)備是實(shí)現(xiàn)光同步傳輸網(wǎng)的重要物理手段。SDH設(shè)備只要有終端復(fù)用器（TM）、分插復(fù)用器（ADM）和書籍交叉連接設(shè)備（DXC）等，湖南光傳輸設(shè)備價格烽火STM-16。這些設(shè)備的功能不同，湖南光傳輸設(shè)備價格烽火STM-16，但都有統(tǒng)一的標(biāo)準(zhǔn)光接口，不同廠家的產(chǎn)品能夠?qū)崿F(xiàn)橫向兼容。 </p> <p> 深圳騰云科創(chuàng)信息咨詢有限公司，擁有專業(yè)的技術(shù)團(tuán)隊，由 (中興通訊，華為技術(shù))服務(wù)10年以上從業(yè)經(jīng)驗(yàn)的技術(shù)**引導(dǎo)，并有多名專業(yè)技術(shù)人員為您提供專業(yè)的商務(wù)技術(shù)和專業(yè)解決方案。公司主營中興ZXMP系列產(chǎn)品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機(jī)及各型號單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號單板。烽火IBAS系列產(chǎn)品： IBAS780A｜IBAS780B， PCM綜合接入設(shè)備介紹：FA16接入設(shè)備｜BX10接入設(shè)備，我司積極面向市場為廣大行業(yè)用戶提供設(shè)計、安裝、調(diào)試、培訓(xùn)，湖南光傳輸設(shè)備價格烽火STM-16、維護(hù)的“一條龍”***服務(wù)。這些系統(tǒng)的所有信息傳輸都必須由通信系統(tǒng)提供通道。湖南光傳輸設(shè)備價格烽火STM-16</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南光傳輸設(shè)備價格烽火STM-16,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101923829/7728521.jpg"></div><p style="text-indent:25px">它可實(shí)現(xiàn)網(wǎng)絡(luò)有效管理、實(shí)時業(yè)務(wù)監(jiān)控、動態(tài)網(wǎng)絡(luò)維護(hù)、不同廠商設(shè)備間的互通等多項功能，能**提高網(wǎng)絡(luò)資源利用率、降低管理及維護(hù)費(fèi)用、實(shí)現(xiàn)靈活可靠和***的網(wǎng)絡(luò)運(yùn)行與維護(hù)，因此是當(dāng)今世界信息領(lǐng)域在傳輸技術(shù)方面的發(fā)展和應(yīng)用的熱點(diǎn)，受到人們的***重視。深圳騰云科創(chuàng)信息咨詢有限公司主營中興ZXMP系列產(chǎn)品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機(jī)及各型號單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號單板。烽火IBAS系列產(chǎn)品： IBAS780A｜IBAS780B， PCM綜合接入設(shè)備介紹：FA16接入設(shè)備｜BX10接入設(shè)備甘肅光傳輸設(shè)備烽火ASON 780BSDH并不專屬于某種傳輸介質(zhì)，它可用于雙絞線、同軸電纜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南光傳輸設(shè)備價格烽火STM-16,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847724550782/6753357.jpg"></div><p> 網(wǎng)管系統(tǒng)的傳輸通道由D1，D12開銷字節(jié)提供，網(wǎng)絡(luò)單元之間采用DCC通道， </p> <p> DCC通道終端在被連接的每個設(shè)備上，在相同的管理區(qū)域內(nèi)，通過以太網(wǎng)連接。例如某地市目前*有l(wèi)套網(wǎng)管系統(tǒng)。利用現(xiàn)有的網(wǎng)管設(shè)備，將新增網(wǎng)元納入到現(xiàn)有網(wǎng)管系統(tǒng)中，統(tǒng)一進(jìn)行管理。一套OTNM 2000其多可管理756個等效標(biāo)準(zhǔn)網(wǎng)元，現(xiàn)有的網(wǎng)管系統(tǒng)有足夠的能力管理包括本期新增的所有網(wǎng)元。網(wǎng)管管理能力是一套網(wǎng)管在保證規(guī)定性能指標(biāo)的情況下所能管理的比較大等效網(wǎng)元數(shù)。 </p> <p> 深圳騰云科創(chuàng)信息咨詢有限公司主營中興ZXMP系列產(chǎn)品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機(jī)及各型號單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號單板。烽火IBAS系列產(chǎn)品： IBAS780A｜IBAS780B， PCM綜合接入設(shè)備介紹：FA16接入設(shè)備｜BX10接入設(shè)備 </p><p> 電力網(wǎng)的發(fā)展對電力系統(tǒng)專門用途通信網(wǎng)提出了更高的要求, 電力通信要求確保電能的生產(chǎn)、輸送、分配、消費(fèi)在瞬間是同時完成的。為了保證電網(wǎng)安全、經(jīng)濟(jì)地運(yùn)行, 必須配置調(diào)度、保護(hù)、遠(yuǎn)程控制等系統(tǒng)。這些系統(tǒng)的所有信息傳輸都必須由通信系統(tǒng)提供通道。由此可見, 通信在電力系統(tǒng)中的作用是非常關(guān)鍵的。隨著經(jīng)濟(jì)的發(fā)展, 電力系統(tǒng)容量急劇增加, 隨之而來的是輸電超高壓化, 接入業(yè)務(wù)多樣化。 </p> <p> 電力系統(tǒng)一旦發(fā)生故障, 如果通信不暢, 不能及時調(diào)度指揮,就會擴(kuò)大范圍, 造成大面積停電甚至系統(tǒng)瓦解,不但經(jīng)濟(jì)損失十分慘重, 而且會給社會造成嚴(yán)重影響。因此電力系統(tǒng)的通信要有非常高的可靠性。由于SDH技術(shù)具有特有的優(yōu)勢, 采用SDH技術(shù)組網(wǎng)不但適合現(xiàn)代通信發(fā)展的需要,而且特別適合電力系統(tǒng)通信的需要。SDH網(wǎng)是由不同類型的SDH網(wǎng)元設(shè)備, 如終端復(fù)用設(shè)備(TM )、再生器(REG)、分插復(fù)用設(shè)備(ADM )、數(shù)字交叉連接(DXC) 設(shè)備等, 通過光纜互連而成的, 由這些網(wǎng)元設(shè)備完成SDH 網(wǎng)的上下業(yè)務(wù)、交叉連接業(yè)務(wù)、網(wǎng)絡(luò)故障自愈等傳送功能。SDH網(wǎng)的網(wǎng)絡(luò)節(jié)點(diǎn)(網(wǎng)元) 和傳輸線路的幾何排列就構(gòu)成了網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu)。網(wǎng)絡(luò)的基本拓?fù)浣Y(jié)構(gòu)大致有這樣幾種方式: 鏈形、星形、樹形、環(huán)形和網(wǎng)格形等。 ADM是SDH**重要的一種網(wǎng)元，通過它可等效成其它網(wǎng)元。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南光傳輸設(shè)備價格烽火STM-16,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103808594/6520524.jpg"></div><p style="text-indent:25px">SDH出現(xiàn)以前，沿用的數(shù)字傳輸設(shè)備均屬準(zhǔn)同步數(shù)字系（ Plesiochronous Digital Hierarchy，縮寫為PDH）。SDH技術(shù)的誕生有著其必然性。隨著通信的發(fā)展，要求傳送的信息不*是話音，還有文字、數(shù)據(jù)、圖像和視頻等。加之?dāng)?shù)字通信和計算機(jī)技術(shù)的發(fā)展，在70至80年代，陸續(xù)出現(xiàn)了T1(DS1)／E1載波系統(tǒng)(1.544／2.048Mbps)、X.25幀中繼、ISDN(綜合業(yè)務(wù)數(shù)字網(wǎng)) 和FDDI(光纖分布式數(shù)據(jù)接口)等多種網(wǎng)絡(luò)技術(shù)。隨著信息社會的到來，人們希望現(xiàn)代信息傳輸網(wǎng)絡(luò)能快速、經(jīng)濟(jì)、有效地提供各種電路和業(yè)務(wù)，而上述網(wǎng)絡(luò)技術(shù)由于其業(yè)務(wù)的單調(diào)性，擴(kuò)展的復(fù)雜性，帶寬的局限性，*在原有框架內(nèi)修改或完善已無濟(jì)于事。SDH就是在這種背景下發(fā)展起來的。隨著網(wǎng)絡(luò)傳輸技術(shù)的不斷發(fā)展, 電力系統(tǒng)中基于寬帶數(shù)據(jù)網(wǎng)的應(yīng)用也越來越多。云南銷售光傳輸設(shè)備烽火10/100M自適應(yīng)以太網(wǎng)板卡</p><p style="text-indent:25px">星形網(wǎng)絡(luò)拓?fù)涫菍⒕W(wǎng)中一網(wǎng)元做為中心節(jié)點(diǎn)設(shè)備與其他各網(wǎng)元節(jié)點(diǎn)相連。湖南光傳輸設(shè)備價格烽火STM-16</p><p> <span style="font-size:16px;font-family:"Microsoft YaHei";">SDH網(wǎng)絡(luò)的常見網(wǎng)元和功能</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">DXC——數(shù)字交叉連接設(shè)備</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">數(shù)字交叉連接設(shè)備完成的主要是STM-N信號的交叉連接功能，它是一個多端口器件，它實(shí)際上相當(dāng)于一個交叉矩陣，完成各個信號間的交叉連接。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">DXC可將輸入的m路STM-N信號交叉連接到輸出的n路STM-N信號上，上圖表示有m條入光纖和n條出光纖。DXC的**是交叉連接，功能強(qiáng)的DXC能完成高速（例STM-16）信號在交叉矩陣內(nèi)的低級別交叉（例如VC12級別的交叉）。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">通常用DXCm/n來表示一個DXC的類型和性能（注m≥n），m表示可接入DXC的比較高速率等級，n表示在交叉矩陣中能夠進(jìn)行交叉連接的比較低速率級別。m越大表示DXC的承載容量越大；n越小表示DXC的交叉靈活性越大。</span> </p> <p> <br /> </p> <p> <br /> 湖南光傳輸設(shè)備價格烽火STM-16</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司位于沙井街道蠔四社區(qū)街尾塘一巷5號幸福家園A棟、B棟、C棟、D棟D棟110D。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下SDH光傳輸設(shè)備，光端機(jī)，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在通信產(chǎn)品深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造通信產(chǎn)品良好品牌。騰云科創(chuàng)立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2966044.html</p></div></div></div></div></div><div id="mv2pghs" class="page-right twoColRt"><div id="irdu2k7" class="box01 margin10 clearfix"><h3><a 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