Unverified90% confidenceDecision RuleTime unknown
NVR选购路数应按摄像头数量预留50%冗余，如现有4个摄像头建议选8路NVR，避免后期扩展时因路数占满需整机更换
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90%
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Long-term
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Unverified选择NVR时接入路数应预留50%冗余，规划4个摄像头则选8路机型，避免后期加装监控点位时被迫更换主机97% similarUnverifiedNVR录像机的接入路数应预留50%冗余，如实际需要6个摄像头应选8路NVR而非4路，避免后期扩容更换主机96% similarUnverified摄像头选购遵循'路数预留原则'：实际需求点位数+50%冗余选NVR路数，如需6个点位选8路NVR，避免后期扩展需整机更换94% similarUnverified选NVR路数应预留冗余：实际摄像头数量的1.5倍为宜（如现有5个摄像头选8路而非6路），避免后期增设摄像头需整机更换93% 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90% similar
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