Unverified90% confidenceDecision RuleTime unknown
NVR接POE网络摄像头,录像机自带的POE口数量必须≥摄像头数量,否则需额外买交换机;例如8路NVR若只有4个POE口,另外4个IPC需自供电或外接POE交换机
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified选购NVR时接入路数应预留冗余:现有4个摄像头选8路NVR,因为POE供电NVR的网口数即录像通道上限,后期加装摄像头无法扩展只能更换主机89% similarUnverified选购NVR的通道数应按当前摄像头数量的1.5倍预留,如需4个摄像头选8路NVR,避免后期扩展被卡死81% similarUnverified选择NVR套装时,NVR通道数应比当前摄像头数量多1-2路,例如4路摄像头选8路NVR,为后续扩展预留通道,否则加装摄像头需整机更换81% similarUnverified购买NVR套装务必确认NVR的接入路数与解码能力≥摄像头数量,且预留扩展位,如买6个摄像头应选8路NVR而非4路,避免后期加装摄像头需整机更换80% similarUnverifiedNVR选购的摄像头路数应预留冗余:实际需求4路应选8路机型,因为后期增补摄像头概率高且满负荷运行会导致解码卡顿。同时注意接入带宽上限(如80Mbps)而非仅看路数,4路400万像素摄像头满码流约需48Mbps79% similar
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