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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</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(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-csjhsb_dhjhj/">電話交換機(jī)</a>?武清區(qū)正規(guī)電話交換機(jī) 南京德世偉業(yè)軟件技術(shù)供應(yīng)</p><div id="zvthfhz" class="leftbox clearfix"><h1>武清區(qū)正規(guī)電話交換機(jī) 南京德世偉業(yè)軟件技術(shù)供應(yīng)</h1><div id="rtb7rtf" class="proBig"><div id="lvlztp5" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989706097149850_njdswy_3649872.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="plbhfjn" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989706097149850_njdswy_3649872.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hdrf5vz" 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(guān)鍵詞：</span>武清區(qū)正規(guī)電話交換機(jī),電話交換機(jī)</p><p><span>***更新：</span>2020-07-13 00:34:04</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="djrzp7x" 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(shù)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(jī): </span>025-84728227</p><p><span>地址: </span>經(jīng)濟(jì)開發(fā)區(qū)恒盛路5號4號樓215-D室</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="rp7znlh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zdrfdbv" class="box"><p><p style="text-indent:25px">電話交換機(jī)內(nèi)部采用壓敏電阻+熱敏電阻+外部氣體放電管構(gòu)建成三級防雷措施，當(dāng)然也有更高級別的防護(hù)措施的如：高精斷的昂貴儀器采用四級、五級的防護(hù)措施，但由于其造價也非常昂貴用做電話交換機(jī)行業(yè)顯然不太現(xiàn)實(shí)。雷電很強(qiáng)大，有時候大的你無法想象，任何一種措施都無法**完全避免雷電的損害。對于集團(tuán)電話交換機(jī)設(shè)備來說有高于5V的電壓就有損壞設(shè)備的可能，所以一般的防雷措施都是盡量的去避免雷電的損壞、減少損壞的程度。根據(jù)我們的經(jīng)驗(yàn)：完全沒有防護(hù)措施的設(shè)備在遭遇中、輕度雷電的損壞的情況損壞程度會達(dá)到70%以上，擁有內(nèi)部元件級防護(hù)（壓/熱敏元件）損失程度在50-20%之間，采用質(zhì)量好的三級防護(hù)損失程度會在20%--0% 輕微損壞或完全防護(hù)。各級放護(hù)元件根據(jù)其特性，武清區(qū)正規(guī)電話交換機(jī)、標(biāo)準(zhǔn)值會有一個極限值當(dāng)遭遇強(qiáng)電超出其可耐受范圍時就會出現(xiàn)“魚死網(wǎng)破”的局面….，武清區(qū)正規(guī)電話交換機(jī).防護(hù)元件在消耗一部分能量之后會被擊傳，武清區(qū)正規(guī)電話交換機(jī)！損壞、甚至炸裂…這種現(xiàn)象會導(dǎo)致防護(hù)元件無法重復(fù)使用必須更換，但相對于減輕對設(shè)備價值角度來講這點(diǎn)損失是完全有必要的。所以即使有相關(guān)的防護(hù)措施的用戶應(yīng)當(dāng)在雷雨過后或每年雷雨季節(jié)到來之前檢查是否完好。武清區(qū)正規(guī)電話交換機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武清區(qū)正規(guī)電話交換機(jī),電話交換機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989706097149850_njdswy_3649872.png"></div><p style="text-indent:25px">氣體放電管陶瓷氣體放電管是在放電間隙內(nèi)充入適當(dāng)?shù)亩栊詺怏w介質(zhì)。配以高活性的電子發(fā)射材料及放電引燃機(jī)構(gòu)，通過貴金屬焊料高溫封接而成的一種特殊的金屬陶瓷結(jié)構(gòu)的氣體放電器件。它可用于瞬間過電壓防浪涌，也可用作點(diǎn)火。其高阻抗、低極間電容和高耐沖擊電流是其它放電管所不具備的。當(dāng)線路有瞬時過電壓竄入時，放電管被擊穿，阻抗迅速下降，幾乎是短路狀態(tài)。放電管將大電流通過線路接地或回路泄放，也將電壓限制在低電位，從而保護(hù)了線路及設(shè)備。當(dāng)過電壓浪涌消失后，又迅速的恢復(fù)到的高阻狀態(tài)，保證線路的正常工作。氣體放電管的特點(diǎn)是：抗高壓、抗高電流沖擊（75-4000V），但在響應(yīng)時間上會比低壓防護(hù)電路元件要慢，放電時間長、動作靈敏度不夠理想，對于波頭上升陡度較大的雷電波難以有效地抑制。相對放電時間越短、耐壓越高的**其性能會越好當(dāng)然造價會越高。在電話交換機(jī)行業(yè)應(yīng)用上把氣體放電管類的產(chǎn)品用做配線部分也就是外部的防雷、防高壓措施。也就是我們建議廣大用戶配該類放雷措施的主要組成器件，銜接于電話交換機(jī)與線路之間。海淀區(qū)電話交換機(jī)價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武清區(qū)正規(guī)電話交換機(jī),電話交換機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989706098401482_njdswy_2381943.png"></div><p style="text-indent:25px">熱敏電阻熱敏電阻可用作加熱元件外，同時還能起到“開關(guān)”的作用，兼有敏感元件、加熱器和開關(guān)三種功能，稱之為“熱敏開關(guān)”．電流通過元件后引起溫度升高，即發(fā)熱體的溫度上升，當(dāng)超過居里點(diǎn)溫度后，電阻增加，從而限制電流增加，于是電流的下降增加元件溫度降低，電阻值的減小又使電路電流增加，元件溫度升高，周而復(fù)始，因此具有使溫度保持在特定范圍的功能，又起到開關(guān)作用．利用這種阻溫特性做成加熱源，作為加熱元件應(yīng)用的有暖風(fēng)器、電烙鐵、烘衣柜、空調(diào)等，還可對電器起到過熱保護(hù)作用． NTC熱敏電阻器是一種負(fù)溫度系數(shù)熱敏電阻器，該產(chǎn)品的電阻值隨溫度升高而降低，根據(jù)其作用封裝成各種形狀以及具有不同的技術(shù)指標(biāo)。該產(chǎn)品主要用于溫度補(bǔ)償、溫度測量和在各類電源中吸收浪涌電流作為線路保護(hù)元件。同樣與壓敏電阻類似，熱敏電阻同樣在集團(tuán)電話交換機(jī)生產(chǎn)設(shè)計的時候已經(jīng)***采用。上述兩道防護(hù)措施防護(hù)普通的過流過壓保護(hù)已經(jīng)足夠了，但*靠它門來對付高達(dá)上萬V的雷電時它們就力不從心了，瞬間會被擊穿、損壞。壓敏電阻和熱敏電阻共同的特點(diǎn)是：反映速度快能盡量避免高壓通過的瞬間損害設(shè)備，抗壓系數(shù)低，都是在低電壓的工作狀態(tài)。</p><p style="text-indent:25px">六、內(nèi)置通話錄音 1）、威譜TDMx-2000H系列，內(nèi)置16路數(shù)字錄音功能，只需把錄音軟件安裝到可連接到公司局域網(wǎng)的任何一臺PC即可。系統(tǒng)自動接入到交換機(jī)進(jìn)行錄音。錄音系統(tǒng)使用PC或服務(wù)器的硬盤保存錄音數(shù)據(jù)，錄音時間更長，100G硬盤可以錄音4000小時；可以查詢通話時間、通話時長、來電／去電、有無通話、外線電話號碼、內(nèi)線電話號碼。在電話被轉(zhuǎn)移時，還可以顯示電話轉(zhuǎn)移方和被轉(zhuǎn)移方的電話號碼。七、內(nèi)置***的32方電話會議 1）、威譜TDMx-2000H系列具有32方全雙工***會議功能，簡單易用，無論您身處何方，只要有電話能夠聯(lián)系到您，您就能夠被邀請加入至多方電話會議系統(tǒng)里開會。***的無阻塞交換網(wǎng)絡(luò)突破模擬交換機(jī)的繩路限制，隨時隨地多方通話，不限內(nèi)線、外線，操作簡單，使得每個普通電話機(jī)都可以召開內(nèi)部、本地、外地區(qū)域的多方電話會議?？梢园葱枰獙?shí)現(xiàn)多組會議。用戶可以通過客戶端召**議，也可以通過普通模擬分機(jī)和數(shù)字分機(jī)召**議。會議成員可以為分機(jī)用戶，也可以為外線用戶。八、企業(yè)級呼叫中心 1）、來電彈屏、錄音監(jiān)控、語音導(dǎo)航（IVR）、ACD排隊(duì)話務(wù)自動分配使得搭建企業(yè)級呼叫中心成為現(xiàn)實(shí)，具備呼叫中心的眾多優(yōu)勢功能，有著明顯的價格優(yōu)勢，性價比</p><p style="text-indent:25px">對任何一個企業(yè)對于設(shè)備采購、應(yīng)用的花費(fèi)都是屬于投資價值，使用的周期越長、功能越完善、減少維護(hù)費(fèi)用、故障率意味著對設(shè)備的投資價值得一體現(xiàn)，電話交換機(jī)做為一種企業(yè)通信辦公設(shè)備也不例外。在某些雷雨多發(fā)區(qū)域，雷電的危害被宿稱為：電話交換機(jī)***….每年此類設(shè)備遭受雷電的損壞不計其數(shù)，很大一部分設(shè)備是由于此原因而光榮“退伍”。由此集團(tuán)電話交換機(jī)、程控交換機(jī)防雷設(shè)備彰現(xiàn)出其很大價值。減少直接損害：防雷措施可以避免由于雷電等過壓、過流的原因?qū)е略O(shè)備的直接損壞或減少對設(shè)備的直接損壞。延長設(shè)備使用周期。非重復(fù)性投資：防雷設(shè)備可以伴隨電話交換機(jī)、程控交換機(jī)、調(diào)度機(jī)等設(shè)備的“一生”。通常設(shè)備的正常使用壽命周期大約在5-10年（視老化情況），而防雷設(shè)備幾乎不存在老化的情況，即使更換設(shè)備原有的防護(hù)設(shè)備仍然可以繼續(xù)有效使用。 3，低維護(hù)成本正常情況下，防雷設(shè)備是不需要維護(hù)，即使發(fā)生了每一次的損耗，如：被擊傳等現(xiàn)象，*需要更換該線路的**元件。每一次損耗都是對設(shè)備保護(hù)價值的體現(xiàn)。幾百元至幾千元的防雷設(shè)備投資對數(shù)千元甚至數(shù)萬的設(shè)備來講，完全是有價值的。武清區(qū)正規(guī)電話交換機(jī)</p><p style="text-indent:25px">武清區(qū)正規(guī)電話交換機(jī)</p><p style="text-indent:25px">OM20G (＜20人) OM20G是專為小微型企業(yè)或企業(yè)分支機(jī)構(gòu)打造的新一代IP電話交換機(jī)。它支持運(yùn)營商IMS接入，融合了電話、傳真、錄音、客戶管理、手機(jī)分機(jī)、錄音轉(zhuǎn)寫文字等業(yè)務(wù)，為用戶創(chuàng)造一體化的溝通體驗(yàn)。提高來話溝通體驗(yàn) 自動播報上下班來電歡迎詞、智能分配/轉(zhuǎn)接來電、固話與手機(jī)同振、手機(jī)分機(jī)、一號雙終端、語音留言……電話不再漏接，客戶溝通更緊密。節(jié)省辦公通信費(fèi)用通過互聯(lián)網(wǎng)自由接入IP話機(jī)、電腦分機(jī)、手機(jī)分機(jī)，并將國際國內(nèi)長途變?yōu)槭性捇?*電話，大幅降低公司電話費(fèi)用。管理每個電話 OM20G電話交換機(jī)內(nèi)置儂好商務(wù)助理軟件，可提供來電彈屏、通迅錄點(diǎn)擊撥號、**管理、錄音和通話記錄管理、錄音轉(zhuǎn)寫文字等功能，助力企業(yè)總機(jī)、員工和客戶三者之間的溝通。智簡管理，本地+遠(yuǎn)程皆可維護(hù) OM20G電話交換機(jī)提供直觀Web網(wǎng)頁配置，方便管理員進(jìn)行本地或遠(yuǎn)程管理。分支機(jī)構(gòu)的OM20G，還可由總部統(tǒng)一管理。武清區(qū)正規(guī)電話交換機(jī)</p><p style="text-indent:25px">南京德世偉業(yè)軟件技術(shù)有限公司成立于2010-10-20，專業(yè)通信軟件技術(shù)開發(fā)、計算機(jī)軟件開發(fā)、生產(chǎn)、銷售;通訊設(shè)備、電子產(chǎn)品、監(jiān)控器材銷售、維修及技術(shù)咨詢；自營和代理各類尚品及技術(shù)的進(jìn)出口業(yè)務(wù)（***限定企業(yè)經(jīng)營或禁止的進(jìn)出口商品和技術(shù)除外）。（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動）等多項(xiàng)業(yè)務(wù)，主營業(yè)務(wù)涵蓋[ "SIP話機(jī)", "IP電話機(jī)", "集團(tuán)電話", "億聯(lián)IP話機(jī)" ]。公司目前擁有51~100人員工，為員工提供廣闊的發(fā)展平臺與成長空間，為客戶提供高質(zhì)高效的產(chǎn)品服務(wù)，深受員工與客戶好評。誠實(shí)、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的[ "SIP話機(jī)", "IP電話機(jī)", "集團(tuán)電話", "億聯(lián)IP話機(jī)" ]。目前公司已經(jīng)成為[ "SIP話機(jī)", "IP電話機(jī)", "集團(tuán)電話", "億聯(lián)IP話機(jī)" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領(lǐng)域拓展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/578737.html</p></div></div></div></div></div><div id="hxndjxl" class="page-right twoColRt"><div id="xf57trf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3lr3tf5" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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