H3C S5130S-28S-HPWR-EI交换机 LS-5130S-28S-HPWR-EI(L2以太网交换机主机,支持24个10/100/1000BASE-T PoE+电口(AC 370W,DC 740W),4个100/1000BASE-X SFP Combo口,4个1G/10G BASE-X SFP+端口,支持AC/DC)