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監(jian)控(kong)係(xi)統(tong)中(zhong)利(li)用(yong)矩(ju)陣(zhen)切(qie)換(huan)各(ge)個(ge)攝(she)像(xiang)機(ji)的(de)畫(hua)麵(mian)，利(li)用(yong)控(kong)製(zhi)鍵(jian)盤(pan)控(kong)製(zhi)攝(she)像(xiang)機(ji)的(de)動(dong)作(zuo)等(deng)各(ge)種(zhong)情(qing)況(kuang)，利(li)用(yong)硬(ying)盤(pan)錄(lu)像(xiang)機(ji)存(cun)儲(chu)攝(she)像(xiang)機(ji)所(suo)采(cai)集(ji)的(de)視(shi)頻(pin)信(xin)號(hao)。一(yi)般(ban)來(lai)說(shuo)，硬(ying)盤(pan)錄(lu)像(xiang)機(ji)本(ben)身(shen)也(ye)帶(dai)有(you)控(kong)製(zhi)功(gong)能(neng)，一(yi)般(ban)情(qing)況(kuang)下(xia)，監(jian)控(kong)管(guan)理(li)中(zhong)心(xin)隻(zhi)需(xu)要(yao)硬(ying)盤(pan)錄(lu)像(xiang)機(ji)或(huo)者(zhe)矩(ju)陣(zhen)+kongzhijianpanjiukeyihenhaodeyunxingzhenggejiankongxitong，zaimouxieteshuqingkuangxia，xuyaoliangzhegongcunyuyigexitong，erlianggeshebeizhujigongcunyutongyigexitong，youkenenghuichuxianchongtudaozhitongxinshibai，zhegeshihou，jiuxuyaoshiyongshenzhenshidingxinhongdakejiyouxiangongside485共享器來解決該問題。
某(mou)視(shi)頻(pin)監(jian)控(kong)係(xi)統(tong)中(zhong)，最(zui)開(kai)始(shi)是(shi)利(li)用(yong)矩(ju)陣(zhen)加(jia)控(kong)製(zhi)鍵(jian)盤(pan)控(kong)製(zhi)攝(she)像(xiang)機(ji)的(de)相(xiang)關(guan)動(dong)作(zuo)，將(jiang)視(shi)頻(pin)信(xin)號(hao)進(jin)行(xing)切(qie)換(huan)，將(jiang)相(xiang)關(guan)畫(hua)麵(mian)傳(chuan)送(song)至(zhi)監(jian)視(shi)器(qi)上(shang)，後(hou)來(lai)管(guan)理(li)中(zhong)心(xin)希(xi)望(wang)能(neng)夠(gou)將(jiang)相(xiang)關(guan)的(de)視(shi)頻(pin)信(xin)號(hao)通(tong)過(guo)數(shu)字(zi)式(shi)硬(ying)盤(pan)錄(lu)像(xiang)機(ji)進(jin)行(xing)存(cun)儲(chu)，以(yi)備(bei)一(yi)旦(dan)有(you)什(shen)麼(me)情(qing)況(kuang)能(neng)夠(gou)調(tiao)用(yong)相(xiang)關(guan)畫(hua)麵(mian)作(zuo)為(wei)保(bao)存(cun)證(zheng)據(ju)。開(kai)始(shi)隻(zhi)是(shi)簡(jian)單(dan)的(de)將(jiang)硬(ying)盤(pan)錄(lu)像(xiang)機(ji)簡(jian)單(dan)的(de)和(he)矩(ju)陣(zhen)連(lian)接(jie)在(zai)一(yi)起(qi)，但(dan)是(shi)發(fa)現(xian)一(yi)旦(dan)兩(liang)個(ge)設(she)備(bei)連(lian)接(jie)在(zai)同(tong)一(yi)條(tiao)總(zong)線(xian)裏(li)麵(mian)的(de)話(hua)，就(jiu)會(hui)出(chu)現(xian)衝(chong)突(tu)情(qing)況(kuang)，都(dou)不(bu)能(neng)控(kong)製(zhi)。而(er)將(jiang)他(ta)們(men)單(dan)獨(du)連(lian)接(jie)攝(she)像(xiang)機(ji)，則(ze)都(dou)能(neng)夠(gou)控(kong)製(zhi)沒(mei)有(you)任(ren)何(he)問(wen)題(ti)。
tongguowangluosousuofaxian，shijuzhendekongzhitongxinjiekouyuyingpanluxiangjidekongzhitongxinjiekoufashenglechongtu，congerdaozhizhenggexitongtanhuanerbunengkongzhi。juzhenyuyingpanluxiangjidetongxinjiekoudoushiRS-485接口，485總線支持一主多從的通信模式，但是當兩個主控485設備連接在一起的時候，則會出現電位差問題，從而導致係統通信失敗，利用485共享器的光電隔離功能，將兩個主控設備在物理上實施隔離，而邏輯上則彙聚成一條485線路，從而保證兩個主控設備能夠分時控製攝像機且共存於同一個係統。
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