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SFP (Small Form Factor Pluggable) is a compact, hot-swappable transceiver module that converts electrical signals into optical signals (and vice versa), enabling long-distance communication between devices. One of the main advantages of SFP modules is their hot-swappable nature, which allows them to be inserted or removed without powering down network devices.
SFP, SFP+, SFP28, QSFP+, and QSFP28 are optical module types that are well-known to professionals. These hot-pluggable modules can be used to connect network switches and other network devices such as servers or transceivers for data transmission.
With the invention of optical fiber, the use of optical signals for data transmission and the emergence of optical modules—components for transmitting and receiving optical signals. As optical signal speeds continue to increase, optical module packaging has also evolved, generally following the path of high speed, long distance, low power consumption, low cost, miniaturization, and hot-swappability. Currently, the most commonly used form factor in optical communications is the SFP family, found in virtually all network communication scenarios. Over the past 25 years, the SFP family has charted a course in the evolution of speed and density. This article will provide an overview of its history and future evolution.
If you are worried about the short-distance wiring in the computer room, the QSFP28-100G-SRBD optical module may be of great help. Its greatest ability is to run two signals "back and forth" in a multimode optical fiber at the same time, which is equivalent to turning a one-way street into a two-way high-speed road, saving ports and wires.
The interfaces of optical modules are mainly divided into single-fiber bidirectional BiDi and dual-fiber bidirectional (Deplux). In the wavelength division multiplexing system, the line transmission mode mainly uses single-fiber unidirectional and single-fiber bidirectional. Single-fiber bidirection
