Views: 0 Author: Site Editor Publish Time: 2023-02-22 Origin: Site
Now 40G light modules are widely used in the market, especially 40G QSFP+ SR4 and 40G QSFP+ LR4 light modules. What are the differences between them? This answer will be opened today.
The difference between 40G QSFP+ SR4 and 40G QSFP+ LR4 light module:
※ Application
40G QSFP+ SR4 optical module is used for multi -mode optical fiber data centers. 40G QSFP+ LR4 light module is often used in data centers of single -mode fiber.
※ Transmission distance
40G QSFP+ SR4 light module may have two transmission distances:
Connect OM3 fiber jump line: 100M
Connect OM4 fiber jump line: 150M
The transmission distance of 40G QSFP+ LR4 light module can reach up to 10km.
※ wavelength
The wavelength of 40G QSFP+ SR4 light module is 4X850NM.
The wavelength of 40G QSFP+ LR4 light is 1271Nm, 1291Nm, 1311nm, and 1331Nm.
※ Fiber type and connector
The 40G QSFP+ SR4 light module is generally connected to the multi -mode fiber jump line, using MPO/MTP connector. 40G QSFP+ LR4 light module generally connects single -mode fiber jump line, and uses a dual -work LC connector.
