An SFP port connection permits the transfer of knowledge in between two devices through an SFP transceiver and acceptable cabling. Basically, the port and its corresponding SFP transceiver enable the two devices to communicate with one another in excess of an prolonged distance. 加强产业核心技术和前沿技术研发并转换成生产力，让中国自己的民族企业支撑和指引整个高端光产业的健康发展。 رسم ... http://beaumzmxi.thenerdsblog.com/16002819/a-simple-key-for-qsfp-unveiled