华三S5560X-54F-HI交换机 LS-5560X-54F-HI H3C S5560X-54F-HI L3以太网交换机主机,支持42个1000Base-X SFP端口,6个1G/10GBase-X SFP Plus端口,2个QSFP Plus端口,支持2个插槽