電話線是給電(dian)話用的,由銅芯(xin)線構成,芯(xin)數可(ke)決(jue)定可(ke)接(jie)(jie)電(dian)話分(fen)機的數量,常見(jian)的規格(ge)有二芯(xin)、四芯(xin)。家庭裝修中用二芯(xin)的一般就夠了,不過(guo)如(ru)果還(huan)需要連接(jie)(jie)傳真機或者(zhe)電(dian)腦(nao)撥(bo)號上(shang)網,最好選用四芯(xin)電(dian)話線。
用于傳輸電視信號的線目前主要有有線電視同軸電纜和數字電視同軸電纜兩種,有線電視同軸電纜采用雙屏蔽,用于傳輸數字電視信號時會有一定的損耗;數字電視電纜采(cai)用的(de)是(shi)四(si)屏蔽電纜,既能(neng)(neng)傳(chuan)輸(shu)數字電視信號(hao),也能(neng)(neng)夠傳(chuan)輸(shu)有(you)線電視信號(hao)。
網(wang)線(xian)(xian)(xian)主(zhu)要有雙(shuang)絞線(xian)(xian)(xian)、同軸電纜(lan)(lan)、光纜(lan)(lan)三(san)種。三(san)種不同的(de)線(xian)(xian)(xian)的(de)特性和價格都有差異,在選擇的(de)時候,主(zhu)要根據(ju)性能和價格來選擇。
用(yong)(yong)于實現音(yin)樂、視(shi)頻(pin)的(de)傳輸的(de)線(xian)(xian)(xian)(xian)(xian)(xian)路(lu),主(zhu)要有音(yin)響線(xian)(xian)(xian)(xian)(xian)(xian)、音(yin)頻(pin)線(xian)(xian)(xian)(xian)(xian)(xian)和(he)音(yin)視(shi)頻(pin)線(xian)(xian)(xian)(xian)(xian)(xian)。音(yin)響線(xian)(xian)(xian)(xian)(xian)(xian)用(yong)(yong)于客廳影院放(fang)大(da)器和(he)音(yin)響之間的(de)連(lian)接;音(yin)頻(pin)線(xian)(xian)(xian)(xian)(xian)(xian)用(yong)(yong)于激光CD機、DVD等的(de)輸出(chu)信號;音(yin)視(shi)頻(pin)線(xian)(xian)(xian)(xian)(xian)(xian)主(zhu)要用(yong)(yong)于家庭視(shi)聽系統的(de)應用(yong)(yong)