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有關(guān)監(jiān)控安(an)裝、弱電工程(cheng)的最(zui)新信息
七、后期維護(hù)與(yu)保養(yǎng)2.8mm - 4mm 的鏡頭(tou)視角(jiao)較廣,適合監(jiān)控(kong)大范(fan)圍的區(qū)域,如(ru)廣場、大廳等(deng);6mm - 12mm 的鏡頭視(shi)角相(xiang)對(duì)較窄,但監(jiān)(jian)控距(ju)離更遠(yuǎn)(yuan),適用于監(jiān)控特(te)定的通道(dao)、門口等位置。... 2025-10-12
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09-10
2025三、布線施工同(tong)時(shí),將交換機(jī)的(de)電源線連接到(dao)電源插座(zuo)上,為交換機(jī)(ji)供電。... -
09-10
2025明線布線(xian):明線(xian)布線是(shi)將線纜沿(yan)著墻(qiang)面、天花板表面(mian)或管道敷設(shè),施(shi)工相對(duì)簡(jian)單,成本(ben)較低,但線(xian)纜暴露(lu)在外,影(ying)響美觀,且容(rong)易受(shou)到外(wai)力損壞。同(tong)時(shí),對(duì)攝像頭(tou)、錄像機(jī)(ji)、交換機(jī)等(deng)設(shè)備進(jìn)行(xing)簡單(dan)的通電測(ce)試,檢查設(shè)備(bei)是否能(neng)夠正(zheng)常啟動(dòng)(dong),各項(xiàng)(xiang)功能是否(fou)正常。... -
09-10
2025測線儀:用于檢(jian)測網(wǎng)線(xian)的連通性(xing)。線管(guan)的彎(wan)曲半(ban)徑不應(yīng)小于(yu)線管外徑(jing)的 6 倍,以方便(bian)線纜穿線。...