S1720-10GW-PWR-2P-E (8个10/100/1000Base-T以太网端口,2个千兆SFP,含license,124W PoE交流供电 S1720-10GW-PWR-2P-E 全网管 桌面 (8个10 100 1000Base-T以太网端口,2个千兆SFP,含license,124W PoE交流供电)
