Can two switches with fiber ports be directly connected through fiber ports? The answer is yes. The connection between two or more Ethernet switches in a certain way (Uplink port, etc. It can provide significantly higher bandwidth and carry more data than traditional copper cables, which allows for faster data transmission and supports high-speed networking applications in telecommunications, data centers, financial institutions, and government departments. Cascading connections form a link by connecting the ports of one switch to the ports of another switch, and larger networks can be. Switch optical port intercommunication means that the optical fiber ports of two switches are connected to each other to achieve the purpose of network connection.