An SFP module, or transceiver, acts as a converter between the network switch and a fiber optic or Ethernet cable. Switches with SFP ports can. The Ethernet port is relative to the optical port, which refers to the physical characteristics of the fire extinguisher, mainly refers to the copper cable, and is the processed electrical signal. At present, the commonly used network interfaces include 100-megabit port and gigabit port. They come in various form factors such as SFP, SFP+, QSFP+, and XFP. SFP ports support multiple data rates and interfaces, including Gigabit Ethernet, 10 Gigabit Ethernet, Fibre. Connecting fiber optic cable directly to a standard Ethernet port is not possible. Fiber optic cables, on the other hand, transmit data using light.