华三S5560S-52S-PWR-EI交换机 LS-5560S-52S-PWR-EI H3C S5560S-52S-PWR-EI L3以太网交换机主机,支持48个10/100/1000BASE-T PoE+电口,支持4个1G/10GBASE-X SFP Plus端口
