What is SFP ?
SFP (Small Form-factor Pluggable) cable, also known as SFP transceiver or SFP module, is a compact, hot-pluggable optical transceiver module used for transmitting and receiving data over optical fiber cables. It is commonly used in networking devices such as switches, routers, and network interface cards (NICs) to enable high-speed data communication.
SFP cables come in various types, including SFP, SFP+, and SFP28, each supporting different data rates and transmission distances. The most commonly used SFP cables are:
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SFP: The original SFP module supports data rates up to 1 Gbps (Gigabits per second) and is commonly used for Fast Ethernet and Gigabit Ethernet connections.
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SFP+: SFP+ modules support higher data rates, typically up to 10 Gbps. They are commonly used for 10 Gigabit Ethernet connections.
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SFP28: SFP28 modules support data rates up to 25 Gbps and are used for 25 Gigabit Ethernet connections.
SFP cables are designed to be hot-swappable, meaning they can be inserted or removed from a device while it's powered on, without affecting the overall operation of the network. They provide a flexible and cost-effective solution for connecting networking equipment over fiber optic cables.
It's important to note that SFP cables require compatible SFP ports on the networking devices, and the type of cable needed depends on the desired data rate and transmission distance. Different types of optical fibers, such as single-mode and multi-mode, can be used with SFP modules depending on the specific requirements of the network.
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