WS-X4148-RJ45V= 〔EOS,见PB 4052〕C4500 预标准 PoE 10/100,48 端口(RJ-45) WS-X4248-RJ21V = Catalyst 4500 PoE 802.3af 10/100,48 端口(RJ-21) WS-X4248-RJ45V = Catalyst 4500 PoE 802.3af 10/100,48 端口(RJ-45) WS-X4224-RJ45V = Catalyst 4500 PoE 802.3af 10/100 24 端口(RJ-...