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有關(guān)監(jiān)控安(an)裝、弱電工(gong)程的最新(xin)信息(xi)安防監(jiān)控(kong)系統(tǒng)(tong)安裝(zhuang)合同書
七、后(hou)期維護(hù)與保養(yǎng)(yang)錄像機(jī)(NVR 或 DVR)選型(xing)... 2025-10-05-
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2025光纖(xian)具有傳輸距離(li)遠(yuǎn)、抗(kang)干擾能力強(qiáng)(qiang)、信號(hào)衰減小等(deng)優(yōu)點(diǎn)(dian),但需(xu)要配備光(guang)纖收發(fā)器等(deng)設(shè)備,成本(ben)相對(duì)較高。根(gen)據(jù)安(an)裝目(mu)的和場(chǎng)(chang)景,準(zhǔn)確確(que)定監(jiān)控(kong)需要覆蓋的(de)區(qū)域。... -
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2025七、后期(qi)維護(hù)與保養(yǎng)紅(hong)外攝(she)像頭(tou)在夜間能夠發(fā)(fa)出紅外光,使畫(hua)面呈現(xiàn)(xian)出黑(hei)白效果,實(shí)現(xiàn)一(yi)定距離內(nèi)的清(qing)晰監(jiān)控;... -
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2025村委會(huì)安裝監(jiān)(jian)控會(huì)議(yi)記錄
交換機(jī):如(ru)果攝像頭數(shù)(shu)量較多,需(xu)要通過(guò)(guo)交換機(jī)將(jiang)攝像頭(tou)和錄像機(jī)連接(jie)到網(wǎng)絡(luò)中。在連(lian)接時(shí)(shi),要注意(yi)端口的編號(hào)(hao)和對(duì)應(yīng)關(guān)(guan)系,確保連(lian)接正確(que)。...