Unverified85% confidenceDecision RuleTime unknown
PoE供电NVR的总供电功率有上限(如8口PoE NVR常为80-120W),接满8个大功率红外/云台摄像头可能超载导致断连,需核对单路功率×路数≤NVR总功率
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UnverifiedPoE-NVR的供电总功率有上限(如8路总功率120W),若接满8个大功率球机会导致供电不足掉线,混用普通摄像头和球机时需核算总功耗93% similarUnverified带PoE端口的NVR应确认单口供电功率与总功率上限:单口需≥15.4W(802.3af)供普通枪机,带云台/加热的球机需30W(802.3at),且总功率常有上限(如8口机总功率仅120W),全接大功率球机会触发过载断电85% similarUnverified路数越高单价越便宜但供电压力越大,16路PoE NVR总供电功率常限制在120W左右,若接满16个红外补光摄像头会超出供电上限导致部分掉线84% similarUnverifiedPOE NVR的POE供电总功率是隐藏限制:标称8路但POE总功率若仅50W,接入带云台/补光的高功率摄像头(单个8-12W)时可能供电不足,需核对总功率而非仅看端口数83% similar
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