This article will introduce common optical module types and specifications, including 1×9, GBIC, SFF, XENPAK, SFP, SFP+, XFP, SFP28, QSFP, QSFP28, QSFP-DD, OSFP, etc. 1×9 optical module: It is the earliest optical module to appear. An optical module is a typically hot-pluggable optical transceiver used in high-bandwidth data communications applications. Whether you are creating a 100-Gbps or 400-Gbps, small form-factor pluggable (SFP) module, SFP+ transceiver, XFP module, CFP, X2/XENPAK module. Optical modules are essential components in modern communication networks, enabling high-speed data transmission over fiber optic cables. As the demand for faster and more reliable internet and data services grows, understanding these devices becomes increasingly important. This guide will explore. Huawei offers a comprehensive portfolio of pluggable StarryLink optical modules for data center networks, with various models providing flexible plug-and-play solutions tailored to diverse interface requirements. Its primary function is to achieve optoelectronic conversion by converting electrical signals into optical signals and vice versa.