Their typical applications include large-scale, transcontinental data centers, submarine optical cables, and advanced research networks. Due to their size and power demands, they are primarily deployed in core network infrastructure and specialized high-capacity transmission. Aerech Networks will use this article to introduce you to the application scenarios of optical modules. (1) Ethernet: Mainly used in local area networks, connecting. Optical modules are essential components in the realm of data communication, facilitating the conversion between optical and electrical signals. The advent of big data, blockchain, cloud computing, the Internet of Things (IoT), artificial intelligence (AI), and 5G has triggered an exponential surge. Based on the transmission mode of optical fibers, optical modules can be categorized into single-mode optical modules and multi-mode optical modules. What are the differences between them? And in which scenarios are they respectively applicable? I. Multi-channel. With the large-scale deployment of trillion-parameter AI large models such as multimodal LLMs, and the emergence of new computing scenarios like distributed training and real-time inference, the east-west traffic inside data centers is growing at an annual rate of over 50%. Gigabit Electrical Port Modules: With a maximum rate of 1G, these modules are designed for Gigabit SFP ports.