An SFP (Small Form-factor Pluggable) is a compact, hot-pluggable transceiver module that allows networking equipment β including switches, routers, servers, and media converters β to support different physical media, such as optical fiber or copper, without replacing the host. An SFP (Small Form-factor Pluggable) is a compact, hot-pluggable transceiver module that allows networking equipment β including switches, routers, servers, and media converters β to support different physical media, such as optical fiber or copper, without replacing the host. In fact, electrical port modules deliver performance comparable to that of optical port modules while boasting unique advantages. This article will share relevant knowledge and key differences between electrical port modules and optical port modules. This modular. 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. The. The electrical port module, also known as the optical port to electrical port module or the photoelectric conversion optical module, is a module that supports hot swapping and is packaged in SFP, with a connector type of RJ45. A key advantage of SFP+ Modules is that they are "hot-swappable", meaning they can be swapped out while the router is still powered on.