华三H3C S5570S-28S-HPWR-EI-A交换机 LS-5570S-28S-HPWR-EI-A H3C S5570S-28S-HPWR-EI-A L3以太网交换机主机,支持24个10/100/1000BASE-T电口,支持4个1G/10G BASE-X SFP Plus端口,无电源,PoE+
