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What is the speed of QSFP?
Knowledge Base + 2023.12.04

The optical transceiver is composed of optoelectronic devices, functional circuits and optical interfaces. The optoelectronic device includes transmitting and receiving parts. The transmitting part is: input the electrical signal with a certain code rate, and then drive the semiconductor laser (LD) or light-emitting diode (LED) to emit the modulated optical signal with the corresponding rate after being processed by the internal driving chip. It has an optical power automatic control circuit to keep the output optical signal power stable. The receiving part is: the optical signal of a certain code rate is input into the module and then converted into an electrical signal by the light detection diode.


Classification of optical transceivers:


(1) According to the speed: 100Base (100M), 1000Base (Gigabit), 10GE for Ethernet applications; 155M, 622M, 2.5G, 10G for SDH applications.

(2) According to the package: 1×9, SFF, SFP, GBIC, XENPAK, XFP and SFP+, QSFP, QSFP+.

So, today, what we will introduce to you is the QSFP optical transceiver.


QSFP optical transceivers have revolutionized data transmission, empowering networks with blazing-fast speeds and unparalleled performance. From the 40 Gbps QSFP-40G to the groundbreaking 400 Gbps QSFP-DD, these optical transceiver have enabled the growth of data centers, cloud computing, telecommunications, and various other industries. As technology evolves, QSFP optical transceiver will continue to play a pivotal role in driving innovation and meeting the ever-increasing demands of modern networking environments.


UnitekFiber is dedicated to providing high quality optical transceiver that meet your specific requirements. For more detailed information, please visit our website at www.walsun.com. We look forward to supporting you with our reliable and efficient fiber optic solutions.




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