S1720-10GW-PWR-2P (8个10/100/1000Base-T以太网端口,2个千兆SFP,PoE+,124W PoE 交流供电) S1720-10GW-PWR-2P Web管理 桌面 (8个10 100 1000Base-T以太网端口,2个千兆SFP,PoE+,124W PoE 交流供电)
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