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SFP light module category

2023-07-06 17:16:41

Small form-factor pluggable (SFP) modules are hot-swappable, compact, and modular transceivers used to transmit and receive data over optical fiber or copper cable. They are widely used in networking applications, such as data centers, LANs, WANs, and telecommunication networks. There are different categories of SFP modules based on their specifications, speed, and distance capabilities. Let's take a closer look at some of the categories of SFP modules:


SFP:

The SFP module is the standard SFP module that supports Gigabit Ethernet (GbE) and Fibre Channel (FC) applications. They can operate at different wavelengths and distances, depending on the type of fiber and application requirements.


SFP+:

The SFP+ module is an enhanced version of the SFP module that supports higher data rates, up to 10 Gbps. They are commonly used in 10GbE and 10G FC applications and can operate at different distances and wavelengths, depending on the type of fiber and application requirements.


QSFP:

The Quad Small Form-factor Pluggable (QSFP) module is a high-density transceiver that supports four channels of data transmission at a data rate of up to 40 Gbps. They are commonly used in data center and high-performance computing applications, such as InfiniBand, Ethernet, and Fibre Channel.


QSFP+:

The Quad Small Form-factor Pluggable Plus (QSFP+) module is an enhanced version of the QSFP module that supports higher data rates, up to 40 Gbps per channel. They are commonly used in data center and high-performance computing applications, such as Ethernet, InfiniBand, and Fibre Channel.


QSFP28:

The QSFP28 module is a high-density transceiver that supports four channels of data transmission at a data rate of up to 100 Gbps per channel. They are commonly used in data center and high-performance computing applications, such as Ethernet, InfiniBand, and Fibre Channel.


SFP-DD:

The SFP Double Density (SFP-DD) module is a new generation of SFP module that supports higher data rates, up to 112 Gbps. They are designed to be backwards compatible with existing SFP and SFP+ modules, providing a smooth upgrade path to higher speeds.


SFP28:

The SFP28 module is a high-speed, low-latency transceiver that supports data rates of up to 25 Gbps. They are commonly used in data center and high-performance computing applications, such as Ethernet, InfiniBand, and Fibre Channel.


In conclusion, SFP modules are widely used in networking applications and are available in different categories, each with its own speed, distance, and wavelength capabilities. The selection of the appropriate SFP module depends on the specific requirements of the application, such as the data rate, distance, and type of fiber used.


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