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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>連云港質(zhì)量程控交換機(jī),程控交換機(jī)</p><p><span>***更新：</span>2020-07-10 17:20:56</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="24oln8x" 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(hào)4號(hào)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="u7pbxth" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nrt3pcu" class="box"><p><p style="text-indent:25px"> 對(duì)電話程控交換機(jī)遭受雷擊的情況分析：***.電話程控交換機(jī)是由多塊功能電路板拼插組成.電路板上有許多功能集成塊、半導(dǎo)體元件及電感、電容、電阻.其**能集成塊中大量采用CMOS電路.工作電壓在0.7~5V..CMOS電路的過電壓能力弱.容易損壞.造成電路板甚至整個(gè)程控交換機(jī)系統(tǒng)故障..第二.由于電話交換機(jī)是很多電纜、電線的**點(diǎn)..電話分機(jī)線路多在幾十米至上百米的長度.涉及區(qū)域廣，連云港質(zhì)量程控交換機(jī)、范圍大.更易受雷擊.. 　　這樣．即使是感應(yīng)雷所形成的感應(yīng)過電壓對(duì)電話程控交換機(jī)都能形成威脅..雷擊在建筑物(機(jī)房或辦公樓)，連云港質(zhì)量程控交換機(jī)、設(shè)備(電話程控交換機(jī))及電纜電路的附近發(fā)生；或閃電不直接對(duì)地放電.只是在距建筑物較近的云層和云層之間放電.閃電釋放電荷所形成的強(qiáng)電磁場，連云港質(zhì)量程控交換機(jī).通過電話程控交換機(jī)的密集的網(wǎng)線、電源電路和數(shù)據(jù)傳輸電路中感應(yīng)生成過電壓。這種“過電壓”或?qū)㈦娫茨K.或?qū)?shù)據(jù)存儲(chǔ)器及微處理器、電話程控交換機(jī)用戶板擊壞。連云港質(zhì)量程控交換機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港質(zhì)量程控交換機(jī),程控交換機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989701226871328_njdswy_4837658.png"></div><p style="text-indent:25px">程控電話是指接入程控電話交換機(jī)的電話，程控電話交換機(jī)是利用電子計(jì)算機(jī)來控制的交換機(jī)，它以預(yù)先編好的程序來控制交換機(jī)的接續(xù)動(dòng)作。此程控電話與一般機(jī)電式交換機(jī)的電話相比，具有接續(xù)速度快、業(yè)務(wù)功能多、交換效率高、聲音清晰、質(zhì)量可靠等優(yōu)點(diǎn)。程控交換機(jī)，也稱為程控?cái)?shù)字交換機(jī)或數(shù)字程控交換機(jī)，通常專指用于電話交換網(wǎng)的交換設(shè)備，它以計(jì)算機(jī)程序控制電話的接續(xù)。數(shù)字程控交換機(jī)分為長途交換機(jī)，本地交換機(jī)等。另外還有**于信令網(wǎng)和智能網(wǎng)的類型。數(shù)字程控交換機(jī)的基本功能為：用戶線接入，中繼接續(xù)，計(jì)費(fèi)，設(shè)備管理等。本地交換機(jī)自動(dòng)檢測用戶的摘機(jī)動(dòng)作，給用戶的電話機(jī)回送撥號(hào)音，接收話機(jī)的產(chǎn)生的脈沖信號(hào)或雙音多頻(DTMF)信號(hào)，然后完成從主叫到被叫號(hào)碼的接續(xù)(被叫號(hào)碼可能在同一個(gè)交換機(jī)也可能在不同的交換機(jī))。在接續(xù)完成后，交換機(jī)將保持連接，直到檢測出通信的一方掛機(jī)。程控電話交換機(jī)的作用是為中小企業(yè)構(gòu)架的內(nèi)部通訊網(wǎng)絡(luò)，幫助企業(yè)內(nèi)部與外界信息的傳遞與交流、生產(chǎn)調(diào)度與指令的傳達(dá)，避免走來走去或跑上跑下的麻煩、節(jié)省了相互通話的費(fèi)用(內(nèi)部電話無需支付電話費(fèi)、無月租費(fèi)、無承諾話費(fèi))，重要的在于為企業(yè)提高工作效率、又控制辦公話費(fèi)贛州質(zhì)量程控交換機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港質(zhì)量程控交換機(jī),程控交換機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/7/17/14/636989701226092028_njdswy_1867050.png"></div><p style="text-indent:25px">程控電腦交換機(jī)，集團(tuán)電腦交換機(jī)，電話交換機(jī)系統(tǒng) 1.安裝電話交換機(jī)好處作用之一------各辦公室共用外線一臺(tái)電話交換機(jī)可以使一、二條外線就分配給十幾或幾十個(gè)員工（或科室、部門）使用。為貴公司每一名員工安排一部分機(jī)，這樣即能節(jié)約費(fèi)用，又節(jié)約人工的同時(shí)，對(duì)于外線打入者也會(huì)以zui快的速度與要聯(lián)系的人聯(lián)系。 2.安裝集團(tuán)電話交換機(jī)好處作用之二------管理功能電話交換機(jī)可以限制，一些部門允許打長途，一些部門允許打市話，有些部門只允許打內(nèi)部電話，還可以管理監(jiān)控各辦公室的詳細(xì)話費(fèi)清單。 3.安裝程控電話交換機(jī)好處作用之三------內(nèi)部通話** 分機(jī)內(nèi)部**通話，無需支付電話費(fèi)、無月租費(fèi)、無承諾話費(fèi)。 4.安裝程控交換機(jī)好處作用之四------可以相互轉(zhuǎn)接外線電話打進(jìn)來可通過分機(jī)轉(zhuǎn)接，而不用使員工跑來跑去接電話或來回找人接電話。程控交換機(jī)，全稱為存儲(chǔ)程序控制交換機(jī)（與之對(duì)應(yīng)的是布線邏輯控制交換機(jī)，簡稱布控交換機(jī)），也稱為程控?cái)?shù)字交換機(jī)或數(shù)字程控交換機(jī)。通常專指用于電話交換網(wǎng)的交換設(shè)備，它以計(jì)算機(jī)程序控制電話的接續(xù)。程控交換機(jī)是利用現(xiàn)代計(jì)算機(jī)技術(shù)，完成控制、接續(xù)等工作的電話交換機(jī)。</p><p style="text-indent:25px">設(shè)備功能數(shù)字程控交換機(jī) 的基本功能主要為：用戶線接入，中繼接續(xù)，計(jì)費(fèi)，設(shè)備管理等。本地交換機(jī)自動(dòng)檢測用戶的摘機(jī)動(dòng)作，給用戶的電話機(jī)回送撥號(hào)音，接收話機(jī)產(chǎn)生的脈沖信號(hào)或雙音多頻（DTMF)信號(hào)，然後完成從主叫到被叫號(hào)碼的接續(xù)（被叫號(hào)碼可能在同一個(gè)交換機(jī)也可能在不同的交換機(jī)）。在接續(xù)完成後，交換機(jī)將保持連接，直到檢測出通信的一方掛機(jī)。其中通話接續(xù)部分是利用交換機(jī)中的數(shù)字交換網(wǎng)絡(luò)，采用PCM方式實(shí)現(xiàn)數(shù)字交換的，控制部分是通過軟件由計(jì)算機(jī)來實(shí)現(xiàn)的。基本構(gòu)成電話交換機(jī)的主要任務(wù)是實(shí)現(xiàn)用戶間通話的接續(xù)。基本劃分為兩大部分：話路設(shè)備和控制設(shè)備。話路設(shè)備主要包括各種接口電路（如用戶線接口和中繼線接口電路等)和交換 (或接續(xù)）網(wǎng)絡(luò)；控制設(shè)備在縱橫制交換機(jī)中主要包括標(biāo)志器與記發(fā)器，而在程控交換機(jī)中，控制設(shè)備則為電子計(jì)算機(jī)，包括**處理器(CPU),存儲(chǔ)器和輸入 /輸出設(shè)備。程控交換機(jī)實(shí)質(zhì)上是采用計(jì)算機(jī)進(jìn)行“存儲(chǔ)程序控制”的交換機(jī)，它將各種控制功能，方法編成程序，存入存儲(chǔ)器，利用對(duì)外部狀態(tài)的掃描數(shù)據(jù)和存儲(chǔ)程序來控制，管理整個(gè)交換系統(tǒng)的工作。</p><p style="text-indent:25px">優(yōu)越性 1、技術(shù)上的優(yōu)越性（1）能夠提供許多新的用戶服務(wù)功能，如縮位撥號(hào)、來電顯示、叫醒業(yè)務(wù)、呼叫轉(zhuǎn)移、呼叫等待等業(yè)務(wù)，不再是單一的語音業(yè)務(wù)了。（2）維護(hù)管理方便，可靠性高。程控交換機(jī)可以通過故障診斷程序?qū)收线M(jìn)行檢測和定位，以發(fā)生故障時(shí)緊急處理迅速及時(shí)，因此它在維護(hù)管理上和可靠性上帶來了好處。（3）靈活性大。為適應(yīng)交換機(jī)外部條件的變化，增加的新業(yè)務(wù)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。（4）便于利用電子器件的***成果，使整機(jī)技術(shù)上的先進(jìn)性得到發(fā)揮。 2、經(jīng)濟(jì)上的優(yōu)越性（1）交換設(shè)備方面。體積小，采用電子器件大減小了交換機(jī)的體積，這樣占用機(jī)房的面積??；耗電省，用電子器件代替機(jī)械部件，**減低了能量消耗；成本低，隨著集成電路價(jià)格的減低，可以大幅度減低交換機(jī)成本。（2）線路設(shè)備方面?？梢酝ㄟ^采用遠(yuǎn)端用戶模塊方式節(jié)省用戶線，降低線路設(shè)備費(fèi)用。（3）維護(hù)生產(chǎn)方面。由于檢測和診斷故障的自動(dòng)化，減少了不少維護(hù)工作量，節(jié)省了維護(hù)人員。由于制造工藝簡單了，生產(chǎn)效率也提高了。秦皇島質(zhì)量程控交換機(jī)</p><p style="text-indent:25px">連云港質(zhì)量程控交換機(jī)</p><p style="text-indent:25px">防雷擊可采取以下措施： 1．程控交換機(jī)應(yīng)有良好的工作接地和保護(hù)接地.接地電阻值應(yīng)小于3Ω..每年都應(yīng)檢測并有檢測報(bào)告.. 2．程控交換機(jī)各控制板和外接電纜插口處應(yīng)安裝光電隔離器.. 3．電話電纜的屏蔽接地線應(yīng)和保護(hù)接地極連接良好.. 4．是程控交換機(jī)供電的交流電路(從配電室到交換機(jī))應(yīng)采用屏蔽電纜.屏蔽層應(yīng)和保護(hù)接地極連接良好.. 交換機(jī)遭雷擊損壞大多由雷電天氣在網(wǎng)線上產(chǎn)生的感應(yīng)電壓經(jīng)交換機(jī)信號(hào)端口竄入機(jī)內(nèi)造成，一般的整機(jī)防雷措施如裝設(shè)避雷針、機(jī)殼接地等無法解決這個(gè)問題。一般交換機(jī)信號(hào)端口內(nèi)部都設(shè)計(jì)有防雷擊電路，可以抵抗一般的輕微雷擊，但對(duì)大型雷電產(chǎn)生的雷擊則有些力不從心。為進(jìn)一步解決信號(hào)端口引進(jìn)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(jī)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(hù)元件， ④串接其它防雷保護(hù)電路。連云港質(zhì)量程控交換機(jī)</p><p style="text-indent:25px">南京德世偉業(yè)軟件技術(shù)有限公司坐落經(jīng)濟(jì)開發(fā)區(qū)恒盛路5號(hào)4號(hào)樓215-D室，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。南京德視偉業(yè)軟件是一家有限責(zé)任公司企業(yè)，一直貫徹“以人為本，服務(wù)于社會(huì)”的經(jīng)營理念;“質(zhì)量高速，誠守信譽(yù)，持續(xù)發(fā)展”的質(zhì)量方針。公司始終堅(jiān)持客戶需求***的原則，致力于提供高質(zhì)量的[ "SIP話機(jī)", "IP電話機(jī)", "集團(tuán)電話", "億聯(lián)IP話機(jī)" ]。南京德視偉業(yè)軟件順應(yīng)時(shí)代發(fā)展和市場需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "SIP話機(jī)", "IP電話機(jī)", "集團(tuán)電話", "億聯(lián)IP話機(jī)" ]。</p></p><br /><p>文章來源地址: 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