Recently, we can see some products information about fiber optic transceivers, such SFP, SFP+, XFP, QSFP and QSFP+ on facebook. Have you ever wondered what are they respectively for and what’s the difference between them? Today, we are going to talk something about them in this paper. SFPSFP, small form-factor pluggable for short, is a compact, hot-pluggable transceiver modu..