This specification defines a common management interface for 4-lane pluggable transceiver modules, direct attach modules and shielded cable assemblies. Physical layer and mechanical details of the connector interface are outside the scope of this document.

100G QSFP28 SR的光模块数据手册，其中详细说明参数和相关规范

This specification defines a 28 Gb/s QSFP+ pluggable transceiver solution popularly known as QSFP28. It gathers the appropriate/unique Base Electrical, Optical, Common Management, Module/Plug Formfactor, Host connector and cage specifications into a clearly delineated solution for users.

SFF-8683 协议

100G QSFP28光模块种类繁多，通常应用于数据中心光互连，每种光模块都有各自可圈可点之处，可按照实际需求选择合适的光模块。