電話機故障維修
電(dian)話機(ji)(ji)常見故(gu)障(zhang)(zhang)有電(dian)源指示燈不亮、單分(fen)機(ji)(ji)話機(ji)(ji)提機(ji)(ji)無音(yin)、分(fen)機(ji)(ji)話機(ji)(ji)提機(ji)(ji)噪音(yin)、分(fen)機(ji)(ji)不振鈴,可(ke)以(yi)先檢查故(gu)障(zhang)(zhang)原(yuan)因,然后檢查電(dian)源和線路故(gu)障(zhang)(zhang),如(ru)果無法維(wei)修(xiu)可(ke)以(yi)請專業人士上門維(wei)修(xiu)。
電話機原理
電(dian)(dian)話通(tong)信是通(tong)過聲能與電(dian)(dian)能相互轉換、并利(li)用“電(dian)(dian)”這個(ge)媒介來傳(chuan)輸語言的(de)一種通(tong)信技術。打(da)電(dian)(dian)話時聲波作用于送話器上(shang)產(chan)生電(dian)(dian)流(liu),電(dian)(dian)流(liu)沿著線路傳(chuan)達到對(dui)方電(dian)(dian)話機(ji),再將電(dian)(dian)流(liu)轉化為聲波就完成了遠程通(tong)話。
電話機怎么安裝
首(shou)先要選(xuan)好分線(xian)(xian)(xian)(xian)盒(he),通常選(xuan)擇最近的(de)分線(xian)(xian)(xian)(xian)盒(he),然后選(xuan)擇一根配(pei)號線(xian)(xian)(xian)(xian),在分線(xian)(xian)(xian)(xian)盒(he)的(de)外面牽一根線(xian)(xian)(xian)(xian)到(dao)家里(li)面,將(jiang)線(xian)(xian)(xian)(xian)接好電話,撥111確(que)定端(duan)口號,確(que)定端(duan)口號是否正確(que),在外線(xian)(xian)(xian)(xian)找(zhao)到(dao)一個端(duan)口,用專門的(de)跳線(xian)(xian)(xian)(xian)從內線(xian)(xian)(xian)(xian)的(de)一個端(duan)口接到(dao)外線(xian)(xian)(xian)(xian)那邊的(de)端(duan)口。最后一步就是將(jiang)保險(xian)單(dan)元插到(dao)外線(xian)(xian)(xian)(xian)的(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。