電話機故障維修
電話機(ji)(ji)常見故(gu)障有(you)電源指(zhi)示燈不(bu)亮、單分(fen)機(ji)(ji)話機(ji)(ji)提機(ji)(ji)無(wu)音、分(fen)機(ji)(ji)話機(ji)(ji)提機(ji)(ji)噪音、分(fen)機(ji)(ji)不(bu)振鈴,可(ke)以先檢查(cha)故(gu)障原因,然(ran)后檢查(cha)電源和線路故(gu)障,如果(guo)無(wu)法維(wei)修(xiu)可(ke)以請專業人士上門(men)維(wei)修(xiu)。
電話機原理
電(dian)話通信(xin)是通過聲能(neng)與電(dian)能(neng)相互轉換、并利(li)用“電(dian)”這個(ge)媒介來傳(chuan)輸語(yu)言的一(yi)種通信(xin)技術。打(da)電(dian)話時聲波作用于送話器(qi)上產(chan)生電(dian)流(liu),電(dian)流(liu)沿著線路傳(chuan)達到對方(fang)電(dian)話機,再將電(dian)流(liu)轉化為聲波就完成(cheng)了遠(yuan)程(cheng)通話。
電話機怎么安裝
首先要(yao)選好(hao)分(fen)線(xian)(xian)(xian)(xian)(xian)盒(he),通常選擇最近的(de)(de)分(fen)線(xian)(xian)(xian)(xian)(xian)盒(he),然后選擇一(yi)(yi)(yi)根配(pei)號線(xian)(xian)(xian)(xian)(xian),在分(fen)線(xian)(xian)(xian)(xian)(xian)盒(he)的(de)(de)外(wai)面(mian)(mian)牽一(yi)(yi)(yi)根線(xian)(xian)(xian)(xian)(xian)到家里面(mian)(mian),將(jiang)(jiang)線(xian)(xian)(xian)(xian)(xian)接(jie)好(hao)電話,撥111確(que)定(ding)端(duan)(duan)(duan)(duan)口號,確(que)定(ding)端(duan)(duan)(duan)(duan)口號是否正確(que),在外(wai)線(xian)(xian)(xian)(xian)(xian)找到一(yi)(yi)(yi)個端(duan)(duan)(duan)(duan)口,用(yong)專門的(de)(de)跳線(xian)(xian)(xian)(xian)(xian)從內線(xian)(xian)(xian)(xian)(xian)的(de)(de)一(yi)(yi)(yi)個端(duan)(duan)(duan)(duan)口接(jie)到外(wai)線(xian)(xian)(xian)(xian)(xian)那邊的(de)(de)端(duan)(duan)(duan)(duan)口。最后一(yi)(yi)(yi)步就(jiu)是將(jiang)(jiang)保險單元插到外(wai)線(xian)(xian)(xian)(xian)(xian)的(de)(de)端(duan)(duan)(duan)(duan)口。
如何選購電話機
首先要選用與當地交換機制式相適應的電話機,然后要考慮電話機的功能,比如免提揚聲、液晶顯示、錄音應答等功能;購買前還要檢查電話機的外觀質量是否合格,聲音是否清晰無噪聲,聲調是否正常等。建議選擇正規品牌電話機,質量有保障。