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class="twoCol"><div id="dpw2rta" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_txcp/">通信產(chǎn)品</a>?<a href="http://www.cdcfah.com/cp/second-txcp_csjhsb/">傳輸、交換設備</a>?<a href="http://www.cdcfah.com/cp/third-csjhsb_dhjhj/">電話交換機</a>?莆田程控交換機南京德世偉業(yè)軟件技術供應</p><div id="lsz3giu" class="leftbox clearfix"><h1>莆田程控交換機南京德世偉業(yè)軟件技術供應</h1><div id="r8bseyk" class="proBig"><div id="29o2pm3" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989701226871328_njdswy_4837658.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lhtnkh7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989701226871328_njdswy_4837658.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ktqnurd" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>莆田程控交換機</p><p><span>***更新：</span>2020-05-29 08:06:50</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="tikmjl2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南京德世偉業(yè)軟件技術有限公司</a></p><p><span>聯(lián)系人：</span>李永亮</p><p><span>郵箱: </span>634765682@qq.com</p><p><span>電話: </span>13276689930</p><p><span>傳真: </span>025_84728227</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>025-84728227</p><p><span>地址: </span>經(jīng)濟開發(fā)區(qū)恒盛路5號4號樓215-D室</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="p3jbdvx" class="page-proshow02"><p class="title">詳細說明</p><div id="bf82egs" class="box"><p><p style="text-indent:25px">優(yōu)越性 1、技術上的優(yōu)越性（1）能夠提供許多新的用戶服務功能，如縮位撥號、來電顯示、叫醒業(yè)務、呼叫轉移、呼叫等待等業(yè)務，不再是單一的語音業(yè)務了。（2）維護管理方便，可靠性高。程控交換機可以通過故障診斷程序對故障進行檢測和定位，以發(fā)生故障時緊急處理迅速及時，因此它在維護管理上和可靠性上帶來了好處。（3）靈活性大。為適應交換機外部條件的變化，增加的新業(yè)務往往只需要改變軟件（程序和數(shù)據(jù)）就能滿足不同外部條件（如市話局、長話局等的不同需求）的需要，莆田程控交換機，莆田程控交換機。（4）便于利用電子器件的***成果，使整機技術上的先進性得到發(fā)揮。 2，莆田程控交換機、經(jīng)濟上的優(yōu)越性（1）交換設備方面。體積小，采用電子器件大減小了交換機的體積，這樣占用機房的面積小；耗電省，用電子器件代替機械部件，**減低了能量消耗；成本低，隨著集成電路價格的減低，可以大幅度減低交換機成本。（2）線路設備方面?？梢酝ㄟ^采用遠端用戶模塊方式節(jié)省用戶線，降低線路設備費用。（3）維護生產(chǎn)方面。由于檢測和診斷故障的自動化，減少了不少維護工作量，節(jié)省了維護人員。由于制造工藝簡單了，生產(chǎn)效率也提高了。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="莆田程控交換機" src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989701226871328_njdswy_4837658.png"></div><p style="text-indent:25px">防雷擊可采取以下措施： 1．程控交換機應有良好的工作接地和保護接地.接地電阻值應小于3Ω..每年都應檢測并有檢測報告.. 2．程控交換機各控制板和外接電纜插口處應安裝光電隔離器.. 3．電話電纜的屏蔽接地線應和保護接地極連接良好.. 4．是程控交換機供電的交流電路(從配電室到交換機)應采用屏蔽電纜.屏蔽層應和保護接地極連接良好.. 交換機遭雷擊損壞大多由雷電天氣在網(wǎng)線上產(chǎn)生的感應電壓經(jīng)交換機信號端口竄入機內(nèi)造成，一般的整機防雷措施如裝設避雷針、機殼接地等無法解決這個問題。一般交換機信號端口內(nèi)部都設計有防雷擊電路，可以抵抗一般的輕微雷擊，但對大型雷電產(chǎn)生的雷擊則有些力不從心。為進一步解決信號端口引進的雷擊問題，可以采取以下一些措施： 1、外線盡量使用鎧裝電纜，并將鎧裝層妥善接地； 2、在外線與交換機端口之間加接防雷單元，具體措施有： ①串接防雷模塊， ②串接LC吸收單元， ③并接過壓保護元件， ④串接其它防雷保護電路。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="莆田程控交換機" src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989701226092028_njdswy_1867050.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/75835.html</p></div></div></div></div></div><div id="hblce3j" class="page-right twoColRt"><div id="xr89uwi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8xbxzb2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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