一、可視對講系統是什么意思
可(ke)(ke)視對講系(xi)統(tong)是(shi)一(yi)套現代化(hua)的(de)小(xiao)(xiao)區(qu)住宅服務(wu)(wu)措施,提(ti)供(gong)訪客與住戶(hu)之(zhi)間(jian)雙向可(ke)(ke)視通(tong)話,達到圖(tu)像、語音雙重識別的(de)效(xiao)果,增加安(an)全(quan)可(ke)(ke)靠性,同時節省大量的(de)時間(jian),提(ti)高了(le)工(gong)作效(xiao)率。更重要的(de)是(shi),一(yi)旦住戶(hu)家內所(suo)安(an)裝的(de)門磁開關、紅外報(bao)警探測器(qi)、煙霧探測器(qi)、瓦斯(si)報(bao)警器(qi)等設備(bei),連接到可(ke)(ke)視對講系(xi)統(tong)的(de)保全(quan)型室內機上(shang)以后,可(ke)(ke)視對講系(xi)統(tong)就升級為一(yi)個(ge)安(an)全(quan)技術(shu)防(fang)范(fan)網(wang)絡,它可(ke)(ke)以與住宅小(xiao)(xiao)區(qu)物(wu)業管(guan)(guan)理中心或小(xiao)(xiao)區(qu)警衛有線或無線通(tong)訊,從而起(qi)到防(fang)盜、防(fang)災、防(fang)煤(mei)氣泄漏等安(an)全(quan)保護作用,為屋主的(de)生(sheng)命財產(chan)安(an)全(quan)提(ti)供(gong)最大程度的(de)保障。它可(ke)(ke)提(ti)高住宅的(de)整體管(guan)(guan)理和服務(wu)(wu)水平(ping),創造安(an)全(quan)社區(qu)居住環境,因(yin)此逐步成為住宅不(bu)可(ke)(ke)缺(que)少(shao)的(de)配(pei)套設備(bei)之(zhi)一(yi)。
二、對講系統的種類有哪些
1、直按式對講系統
主機上每(mei)個(ge)住(zhu)(zhu)戶設(she)置一個(ge)呼(hu)(hu)叫(jiao)(jiao)按鍵,每(mei)個(ge)按鍵通過呼(hu)(hu)叫(jiao)(jiao)線與相對應的住(zhu)(zhu)戶連接。直接按該住(zhu)(zhu)戶呼(hu)(hu)叫(jiao)(jiao)鍵即可直接呼(hu)(hu)叫(jiao)(jiao)住(zhu)(zhu)戶,直觀好用,但無保密功能。該類(lei)(lei)樓宇對講系(xi)(xi)統(tong)(tong)(tong)的連接系(xi)(xi)統(tong)(tong)(tong),除(chu)了送(song)話線、受話線、地線三根(gen)共用線外,每(mei)個(ge)住(zhu)(zhu)戶需要(yao)一根(gen)呼(hu)(hu)叫(jiao)(jiao)連接線,如該樓有20個(ge)住(zhu)(zhu)戶,則需要(yao)20根(gen)呼(hu)(hu)叫(jiao)(jiao)線。該類(lei)(lei)呼(hu)(hu)叫(jiao)(jiao)系(xi)(xi)統(tong)(tong)(tong)主機成(cheng)本(ben)較(jiao)低,但連接系(xi)(xi)統(tong)(tong)(tong)成(cheng)本(ben)較(jiao)高,且電路連接線較(jiao)多,連接復雜。
2、數碼式對講系統
在主(zhu)機(ji)上設(she)置0~9十個數位(wei)按鍵,內置編(bian)碼識別(bie)系(xi)(xi)(xi)統,每個住戶設(she)置一組(zu)數位(wei)編(bian)碼,輸入該(gai)住戶的密碼,才(cai)能呼(hu)叫(jiao)(jiao)(jiao)(jiao)該(gai)戶,假如不知道(dao)該(gai)戶編(bian)碼,無法呼(hu)叫(jiao)(jiao)(jiao)(jiao),具有一定的保密功能,避免用(yong)戶被無端打攪。該(gai)類對講系(xi)(xi)(xi)統全部使用(yong)者通(tong)過一根呼(hu)叫(jiao)(jiao)(jiao)(jiao)共(gong)用(yong)線(xian)(xian)即可與主(zhu)機(ji)連接(jie),輸入數位(wei)后,編(bian)碼系(xi)(xi)(xi)統識別(bie)后呼(hu)叫(jiao)(jiao)(jiao)(jiao)相應(ying)的用(yong)戶。該(gai)類樓宇對講系(xi)(xi)(xi)統主(zhu)機(ji)成本較(jiao)高,但連接(jie)系(xi)(xi)(xi)統連接(jie)線(xian)(xian)少,成本低(di),只需要呼(hu)叫(jiao)(jiao)(jiao)(jiao)線(xian)(xian)、送話線(xian)(xian)、受話線(xian)(xian)、地(di)線(xian)(xian)四根共(gong)用(yong)線(xian)(xian)。
3、可視對講系統
可視對講(jiang)系(xi)統(tong)分(fen)直按式(shi)可視對講(jiang)系(xi)統(tong)和數碼式(shi)可視對講(jiang)系(xi)統(tong),除主(zhu)機上(shang)設置攝像(xiang)(xiang)、分(fen)機上(shang)設置顯像(xiang)(xiang)器(qi)(qi)材外,系(xi)統(tong)連接在上(shang)述1、2類連接線的基礎上(shang),還需(xu)增(zeng)加(jia)視訊訊號(hao)連接線或視頻放(fang)大器(qi)(qi),每個使用者還需(xu)增(zeng)加(jia)一個視頻顯示(shi)用的小(xiao)電源(yuan)。