Different Interface Types: Optical ports support connections with optical modules or Ethernet port modules, with interface types including LC, SC, MPO, and RJ45. Ethernet switch port types define the performance, scalability, and architecture of modern networks. RJ45 ports serve access-layer copper connections; SFP/SFP+ ports enable flexible 1G/10G uplinks; SFP28 delivers 25G for modern data centers; QSFP+ and QSFP28 support high-density 40G/100G spine–leaf. Common optical port types for switches include 155M, 1. Copper ports are widely used in local area networks (LANs) due to their cost-effectiveness and ease of installation. A combo port, also known as an optoelectronic multiplexing interface, is a photoelectric composite port with two kinds of Ethernet interfaces (RJ45 port and SFP port) on an Ethernet switch. In other words, it is a compound port that can support two different physical layers and share the same. In today's market, Gigabit Ethernet switches are commonly equipped with two types of ports: RJ45 ports and SFP ports. Next, we will delve. Optical to electrical transceiver, that is, the electrical port transceiver, is an optical transceiver with an electrical interface (RJ45 ), in line with the MSA standard, supports hot-swappable, with good performance, compact design, the role of the optical signal into an electrical signal.