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深圳市騰云科創(chuàng)供應</p><div id="8wx98vm" class="leftbox clearfix"><h1>湖南光傳輸設(shè)備SDH烽火IBAS 180 深圳市騰云科創(chuàng)供應</h1><div id="h8yprg3" class="proBig"><div id="jfmlsz2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pjl9qsw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2pfuv3n" 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SDH烽火IBAS 180,烽火</p><p><span>***更新：</span>2020-09-21 07:05:36</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="crtsypq" 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: </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="z8ik7ul" class="page-proshow02"><p class="title">詳細說明</p><div id="gspdt7q" class="box"><p><p> 電源系統(tǒng)SDH設(shè)備采用一48伏直流電源，工作電壓應滿足：輸入電壓范圍是-40V至-57V；電話衡量雜音電壓<2mV；峰峰值雜音電壓(0．300Hz)_<400mV，湖南光傳輸設(shè)備SDH烽火IBAS 180。 </p> <p> 根據(jù)公式：電流=功率／電壓。各設(shè)備正常工作時的比較大電流等于滿配置功耗除以工作電壓。比較大電流再加上適當富余量取整可得所需熔絲大小。 </p> <p> 時鐘同步系統(tǒng) </p> <p> SDH網(wǎng)元時鐘源的種類 </p> <p> (1)外部時鐘源——由SETPI功能塊提供輸入接口； </p> <p> (2)線路時鐘源一由SPI功能塊從STM．N線路信號中提??； </p> <p> (3)支路時鐘源——由PPI功能塊從PDH支路信號中提取，湖南光傳輸設(shè)備SDH烽火IBAS 180，不過該時鐘一般不用，湖南光傳輸設(shè)備SDH烽火IBAS 180，因為SDH／PDH網(wǎng)邊界處的指針調(diào)整會影響時鐘質(zhì)量； </p> <p> (4)設(shè)備內(nèi)置時鐘源由SETS功能塊提供。 </p> <p> <br /> 信息凈負荷位于STM-N幀中第1到第9行。湖南光傳輸設(shè)備SDH烽火IBAS 180</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SDH烽火IBAS 180,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg"></div><p> 在各種寬帶光纖接入網(wǎng)技術(shù)中，采用了SDH技術(shù)的接入網(wǎng)系統(tǒng)是應用最普遍的。SDH的誕生解決了由于入戶媒質(zhì)的帶寬限制而跟不上骨干網(wǎng)和用戶業(yè)務需求的發(fā)展,而產(chǎn)生了用戶與**網(wǎng)之間的接入"瓶頸"的問題，同時提高了傳輸網(wǎng)上大量帶寬的利用率。SDH技術(shù)自從90年代引入以來，至今已經(jīng)是一種成熟、標準的技術(shù)，在骨干網(wǎng)中被***采用，且價格越來越低，在接入網(wǎng)中應用可以將SDH技術(shù)在**網(wǎng)中的巨大帶寬優(yōu)勢和技術(shù)優(yōu)勢帶入接入網(wǎng)領(lǐng)域，充分利用SDH同步復用、標準化的光接口、強大的網(wǎng)管能力、靈活網(wǎng)絡(luò)拓撲能力和高可靠性帶來好處，在接入網(wǎng)的建設(shè)發(fā)展中長期受益。 </p> <p> <br /> </p> <p> <br /> 湖南光傳輸設(shè)備價格烽火STM-1真正的REG只需處理STM-N幀中的RSOH，且不需要交叉連接功能（w—e直通即可）。</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SDH烽火IBAS 180,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg"></div><p> 在各種寬帶光纖接入網(wǎng)技術(shù)中，采用SDH技術(shù)的接入網(wǎng)系統(tǒng)是應用最普遍的。SDH的誕生解決了由于入戶媒質(zhì)的帶寬限制而跟不上骨干網(wǎng)和用戶業(yè)務需求的發(fā)展,而產(chǎn)生了用戶與**網(wǎng)之間的接入"瓶頸"的問題，同時提高了傳輸網(wǎng)上大量帶寬的利用率。SDH技術(shù)自從90年代引入以來，至今已經(jīng)是一種成熟、標準的技術(shù)，在骨干網(wǎng)中被***采用，且價格越來越低，在接入網(wǎng)中應用可以將SDH技術(shù)在**網(wǎng)中的巨大帶寬優(yōu)勢和技術(shù)優(yōu)勢帶入接入網(wǎng)領(lǐng)域，充分利用SDH同步復用、標準化的光接口、強大的網(wǎng)管能力、靈活網(wǎng)絡(luò)拓撲能力和高可靠性帶來好處，在接入網(wǎng)的建設(shè)發(fā)展中長期受益。 </p> <p> <br /> </p><p> 電力通信專用網(wǎng)的構(gòu)建思路 </p> <p> 電力通信網(wǎng)可以在樞紐節(jié)點、大型變電站、行政中心采用標準的STM 21、STM 24 或STM 216 傳輸設(shè)備疊加接入模塊的方式; 在中小型變電站、鄉(xiāng)鎮(zhèn)供電所等業(yè)務量較少的節(jié)點采用單獨簡單配置的STM-21網(wǎng)元設(shè)備組網(wǎng)或STM-21網(wǎng)元設(shè)備疊加接入模塊的方式; 接入模塊解決話音、V. 24/V. 35、2W/4W、E&M 等窄帶業(yè)務接入, 而10Mb/s、100Mb/s等寬帶數(shù)據(jù)接入則在SDH傳輸平臺上提供,這樣能夠充分保證帶寬和服務質(zhì)量(QoS)。環(huán)網(wǎng)光纜建設(shè)綜合考慮通信、計算機網(wǎng)絡(luò)及有線電視傳輸?shù)男枰?采用不等芯數(shù)配置, 做到既滿足要求, 又節(jié)省投資。考慮到全網(wǎng)的性能價格比, 比較好采用系列化較完整的產(chǎn)品, 對不同節(jié)點選用不同配置的網(wǎng)元設(shè)備, 并能進行統(tǒng)一網(wǎng)管, 以實現(xiàn)有效的分層管理, 便于故障快速定位, 從而有效減輕維護工作量。隨著網(wǎng)絡(luò)規(guī)模的擴大, 應實現(xiàn)多廠家的設(shè)備管理, 要求網(wǎng)管支持標準接口, 即網(wǎng)管系統(tǒng)具備開放性。 </p> <p> 通過基于SDH 的MSTP, 可支持全業(yè)務, 局域網(wǎng)互聯(lián)帶寬可按VC212×N (1～ 48) 平滑設(shè)置, 可利用SDH 層的網(wǎng)絡(luò)自愈功能實現(xiàn)電信級的保護, 統(tǒng)一的網(wǎng)管方便網(wǎng)絡(luò)維護。它完善地解決所有業(yè)務信號的接入和傳輸, 且相對于其它的組網(wǎng)方式具有其明顯的優(yōu)勢。 ADM是SDH最重要的一種網(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SDH烽火IBAS 180,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103378907/6385040.jpg"></div><p> SDH的概念 </p> <p> SDH[1]（Synchronous Digital Hierarchy，同步數(shù)字系列）光端機容量較大，一般是16E1到4032E1。 SDH是一種將復接、線路傳輸及交換功能融為一體、并由統(tǒng)一網(wǎng)管系統(tǒng)操作的綜合信息傳送網(wǎng)絡(luò)，是美國貝爾通信技術(shù)研究所提出來的同步光網(wǎng)絡(luò)（SONET）。國際電話電報咨詢**會（CCITT）（現(xiàn)ITU-T）于1988年接受了SONET 概念并重新命名為SDH，使其成為不僅適用于光纖也適用于微波和衛(wèi)星傳輸?shù)耐ㄓ眉夹g(shù)體制。它可實現(xiàn)網(wǎng)絡(luò)有效管理、實時業(yè)務監(jiān)控、動態(tài)網(wǎng)絡(luò)維護、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、降低管理及維護費用、實現(xiàn)靈活可靠和***的網(wǎng)絡(luò)運行與維護，因此是當今世界信息領(lǐng)域在傳輸技術(shù)方面的發(fā)展和應用的熱點，受到人們的***重視。 </p> <p> <br /> 終端復用器用在網(wǎng)絡(luò)的終端站點上。重慶代理光傳輸設(shè)備烽火STM-16</p><p style="text-indent:25px">由于SDH有多種網(wǎng)絡(luò)拓撲結(jié)構(gòu)，它所組成的網(wǎng)絡(luò)非常靈活。湖南光傳輸設(shè)備SDH烽火IBAS 180</p><p> SDH的應用 </p> <p> 由于以上所述的SDH的眾多特性，使其在廣域網(wǎng)領(lǐng)域和專用網(wǎng)領(lǐng)域得到了巨大的發(fā)展。中國移動、電信、聯(lián)通、廣電等電信運營商都已經(jīng)大規(guī)模建設(shè)了基于SDH的骨干光傳輸網(wǎng)絡(luò)。利用大容量的SDH環(huán)路承載IP業(yè)務、ATM業(yè)務或直接以租用電路的方式出租給企、事業(yè)單位。而一些大型的專用網(wǎng)絡(luò)也采用了SDH技術(shù)，架設(shè)系統(tǒng)內(nèi)部的SDH光環(huán)路，以承載各種業(yè)務。比如電力系統(tǒng)，就利用SDH環(huán)路承載內(nèi)部的數(shù)據(jù)、遠控、視頻、語音等業(yè)務。 </p> <p> 而對于組網(wǎng)更加迫切、而又沒有可能架設(shè)專用SDH環(huán)路的單位，很多都采用了租用電信運營商電路的方式。由于SDH基于物理層的特點，單位可在租用電路上承載各種業(yè)務而不受傳輸?shù)南拗?。承載方式有很多種，可以是利用基于TDM技術(shù)的綜合復用設(shè)備實現(xiàn)多業(yè)務的復用，也可以利用基于IP的設(shè)備實現(xiàn)多業(yè)務的分組交換。SDH技術(shù)可真正實現(xiàn)租用電路的帶寬保證，安全性方面也優(yōu)于VPN等方式。在****和對安全性非常注重的企業(yè)，SDH租用線路得到了***的應用。一般來說，SDH可提供E1、E3、STM-1或STM-4等接口，完全可以滿足各種帶寬要求。同時在價格方面，也已經(jīng)為大部分單位所接受。湖南光傳輸設(shè)備SDH烽火IBAS 180</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司總部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，是一家電力設(shè)備、電子元器件、電子產(chǎn)品、建筑材料、通信設(shè)備(中興通訊及華為技術(shù)各系列產(chǎn)品板件及整套設(shè)備的銷售與安裝，設(shè)備維護及板件返修，以及各設(shè)備可配置的單板，用戶電纜，中繼電纜等)、辦公設(shè)備、五金交電、化工原料（不含危險及監(jiān)控化學品）的銷售；經(jīng)濟信息咨詢；經(jīng)營進出口業(yè)務。的公司。騰云科創(chuàng)擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供SDH光傳輸設(shè)備，光端機，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備。騰云科創(chuàng)致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。騰云科創(chuàng)始終關(guān)注通信產(chǎn)品市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: 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