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400G QSFP-DD LR4 light module.huawei compatible onu
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400G QSFP-DD LR4 light module.huawei compatible onu

Views: 0     Author: Site Editor     Publish Time: 2023-03-16      Origin: Site

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QSFP-DD packaging has been loved by 400G with the advantages of high-speed, small, and insertable. The 400G QSFP-DD light module has become one of the most popular light modules in the next generation of data center networks. At present, the types of 400G QSFP-DD light modules on the market include 400G QSFP-DD SR8, DR4, LR4, ER4, LR8, etc.

Product Features

400G QSFP-DD LR4 is the light module of the passage of the channel full dual-work and receiving. It uses the hot-insertable QSFP-DD package, which is in line with QSFP-DD MSA and IEEE 802.3CU 400GBase-LR4 Ethernet standard. 4X100G PAM4 CWDM transmitter, 8X50G PAM4 400GAUI-8 electrical interface.

working principle

The 400G QSFP-DD LR4 light module uses 4 CWDM wavelengths (1271, 1291, 1311, and 1331Nm) Based on the PAM4 modulation format, it can achieve a single wave 106.25Gbps rate. After MUX coupled into one root SMF for transmission, single-mode fiber optical fiber optic fiber SMF transmission distance can reach up to 10km.

Application scenarios

The 400G QSFP-DD LR4 light module is used as a 400G QSFP-DD optical module long-distance transmission solution. It is widely used in 400G Ethernet, data centers and cloud computing scenes to meet the 10km transmission distance required by 400G-LR4-10 MSA.

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