電話機故障維修
電話機(ji)(ji)常見故障(zhang)有電源(yuan)指示燈(deng)不亮、單分機(ji)(ji)話機(ji)(ji)提機(ji)(ji)無音、分機(ji)(ji)話機(ji)(ji)提機(ji)(ji)噪音、分機(ji)(ji)不振鈴,可(ke)以先(xian)檢(jian)查(cha)故障(zhang)原因(yin),然后檢(jian)查(cha)電源(yuan)和線路故障(zhang),如果無法維(wei)修可(ke)以請專業(ye)人(ren)士上門維(wei)修。
電話機原理
電話(hua)通(tong)信(xin)是通(tong)過聲(sheng)能(neng)與(yu)電能(neng)相互(hu)轉(zhuan)換、并利用“電”這個媒介來傳(chuan)輸語言的一種通(tong)信(xin)技術。打(da)電話(hua)時聲(sheng)波作用于(yu)送話(hua)器上產生電流,電流沿(yan)著線(xian)路傳(chuan)達到對方電話(hua)機,再將(jiang)電流轉(zhuan)化為聲(sheng)波就(jiu)完成了(le)遠程(cheng)通(tong)話(hua)。
電話機怎么安裝
首先要選(xuan)好(hao)分線(xian)(xian)(xian)(xian)盒(he),通常選(xuan)擇最近(jin)的(de)(de)分線(xian)(xian)(xian)(xian)盒(he),然后選(xuan)擇一(yi)根(gen)配號線(xian)(xian)(xian)(xian),在(zai)分線(xian)(xian)(xian)(xian)盒(he)的(de)(de)外(wai)面牽一(yi)根(gen)線(xian)(xian)(xian)(xian)到(dao)(dao)(dao)家里面,將線(xian)(xian)(xian)(xian)接好(hao)電話(hua),撥111確(que)定(ding)端(duan)口號,確(que)定(ding)端(duan)口號是(shi)否正確(que),在(zai)外(wai)線(xian)(xian)(xian)(xian)找到(dao)(dao)(dao)一(yi)個(ge)端(duan)口,用(yong)專門(men)的(de)(de)跳線(xian)(xian)(xian)(xian)從內線(xian)(xian)(xian)(xian)的(de)(de)一(yi)個(ge)端(duan)口接到(dao)(dao)(dao)外(wai)線(xian)(xian)(xian)(xian)那邊(bian)的(de)(de)端(duan)口。最后一(yi)步(bu)就是(shi)將保險(xian)單元插(cha)到(dao)(dao)(dao)外(wai)線(xian)(xian)(xian)(xian)的(de)(de)端(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。