電話機故障維修
電話(hua)(hua)機(ji)常見(jian)故(gu)障有(you)電源指(zhi)示燈(deng)不(bu)亮、單分(fen)機(ji)話(hua)(hua)機(ji)提機(ji)無音、分(fen)機(ji)話(hua)(hua)機(ji)提機(ji)噪音、分(fen)機(ji)不(bu)振鈴,可(ke)以(yi)先檢(jian)查故(gu)障原因,然后檢(jian)查電源和線路故(gu)障,如果無法維修可(ke)以(yi)請專業人士上門(men)維修。
電話機原理
電(dian)(dian)話通(tong)信(xin)是(shi)通(tong)過聲(sheng)(sheng)能與電(dian)(dian)能相互轉(zhuan)換、并利用“電(dian)(dian)”這個媒(mei)介來傳(chuan)(chuan)輸語言的一種通(tong)信(xin)技術(shu)。打電(dian)(dian)話時聲(sheng)(sheng)波作用于送話器上(shang)產生電(dian)(dian)流(liu),電(dian)(dian)流(liu)沿著線路傳(chuan)(chuan)達到對(dui)方電(dian)(dian)話機,再將電(dian)(dian)流(liu)轉(zhuan)化為聲(sheng)(sheng)波就完成了遠程通(tong)話。
電話機怎么安裝
首先要選(xuan)好(hao)分線(xian)(xian)(xian)盒,通(tong)常(chang)選(xuan)擇最近的(de)分線(xian)(xian)(xian)盒,然后(hou)選(xuan)擇一(yi)根配號線(xian)(xian)(xian),在分線(xian)(xian)(xian)盒的(de)外面(mian)牽一(yi)根線(xian)(xian)(xian)到(dao)(dao)(dao)家(jia)里面(mian),將線(xian)(xian)(xian)接(jie)好(hao)電話,撥111確(que)(que)定(ding)端(duan)(duan)口(kou)號,確(que)(que)定(ding)端(duan)(duan)口(kou)號是否(fou)正確(que)(que),在外線(xian)(xian)(xian)找(zhao)到(dao)(dao)(dao)一(yi)個端(duan)(duan)口(kou),用專門(men)的(de)跳線(xian)(xian)(xian)從內線(xian)(xian)(xian)的(de)一(yi)個端(duan)(duan)口(kou)接(jie)到(dao)(dao)(dao)外線(xian)(xian)(xian)那邊的(de)端(duan)(duan)口(kou)。最后(hou)一(yi)步就(jiu)是將保險單元插到(dao)(dao)(dao)外線(xian)(xian)(xian)的(de)端(duan)(duan)口(kou)。
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。