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What is the transmission rate of the optical module?

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Abstract

The optical module transmission rate is the data transmission rate of the optical module used in the optical fiber communication system, expressed in Gbps or bps. The transmission rate of optical modules has developed from 155M and 622M to high rates such as 1.25G, 2.5G, 10G, 25G, 40G, 100G, 400G, 800G, etc., adapting to different application scenarios and needs.


Text

The transmission rate of the optical module refers to the data transmission rate of the compatible optical transceiver used in the optical fiber communication system, usually expressed in Gbps (one billion bits per second) or bps (bits per second). optical modules have a variety of transmission rates, covering different ranges from lower rates to high rates to adapt to different application scenarios and needs.


Specifically, the transmission rate of optical modules can gradually develop from the early 155Mb/s and 622Mb/s to 1.25Gb/s, 2.5Gb/s and other rates. With the continuous advancement of technology, higher-speed optical modules have also emerged, such as 10Gbps, 25Gbps, 40Gbps, 100Gbps, 400Gbps, 800Gbps, etc. These speed optical modules are widely used in Ethernet, data centers, cloud computing and other fields. .


1.1Gbps: This is one of the most widely used optical module rates in the past, and is generally used for Gigabit Ethernet applications. Common optical modules include 1000BASE-SX and 1000BASE-LX.


2.10Gbps: 10Gbps optical modules are used in high-speed communication applications such as 10 Gigabit Ethernet and 10G Fiber Channel. Common 10Gbps optical modules include SFP+, XFP and XENPAK, among which sfp+ transceiver is the most common and widely used 10Gbps optical module package. 10Gbps optical modules are widely used in data centers, enterprise networks, wide area networks and other fields. Common optical modules include 10GBASE-SR, 10GBASE-LR, 10GBASE-ER, etc.


3.25Gbps: 25Gbps optical modules are used in applications such as 25G Ethernet (25 Gigabit Ethernet) and Fiber Channel. Common optical modules include 25GBASE-SR, 25GBASE-LR, etc.


4.40Gbps: 40Gbps optical modules are used in applications such as 40G Ethernet (40 Gigabit Ethernet) and Fiber Channel. 40Gbps optical modules are widely used in data centers, transmission networks, storage networks and other fields. Common optical modules include 40G SR4, 40G LR4, 40G ER4, etc.


5.100Gbps: 100Gbps optical modules are used in high-speed communication applications such as 100G Ethernet (100 Gigabit Ethernet) and Fiber Channel. Common 100Gbps optical modules include QSFP28 module, CFP, CFP2 and CFP4 packages. 100Gbps optical modules are widely used in data centers, cloud computing, 5G mobile communications and other fields, providing high-speed, high-bandwidth data transmission services. Common optical modules include 100G SR4, 100G LR4, 100G ER4, etc.


6. 400Gbps: 400Gbps optical module: 400Gbps optical module is used in applications such as 400G Ethernet (400 Gigabit Ethernet) and fiber channel. Common 400Gbps optical modules include QSFP-DD and OSFP. 400Gbps optical modules are gradually being used in data centers and high-performance computing fields to provide support for large-capacity and high-speed data transmission. Common optical modules include 100G SR4, 100G LR4, 100G LR4, etc.


7.800Gbps: This is currently a very promising high-speed optical module rate, used for applications such as 800G Ethernet (800 Gigabit Ethernet). optical modules at this rate are still in the development stage, and research and commercial use are ongoing.


It should be noted that the transmission rate of the optical module is not higher, but it needs to be determined according to the specific application scenarios and needs. When selecting an optical module, in addition to considering the transmission rate, you also need to consider factors such as transmission distance, packaging form, interface type, power consumption, and cost.



The continuous improvement of optical module speed is mainly driven by the development of communication technology and market demand. The application of high-speed optical modules can provide greater bandwidth and faster data transmission speeds, meeting the needs for high-speed and large-capacity communications in cloud computing, big data, 5G communications and other fields. In short, the transmission rate of the optical module is an important parameter, which determines the data transmission capability of the optical module in the optical fiber communication system. With the continuous advancement of technology and the growth of application demands, the transmission rate of optical modules will continue to increase, injecting new vitality into the development of the communications field.


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