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China 400G QSFP-DD Optical Transceivers Factory - High-Speed Solutions from Trusted Suppliers
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China 400G QSFP-DD Optical Transceivers Factory - High-Speed Solutions from Trusted Suppliers

ETU-Link’s 400G QSFP-DD optical transceivers offer an extensive range of series, including SR8, DR4, FR4, LR4, ER8, and ZRThese advanced optical modules exemplify cutting-edge high-speed transmission technology, making them ideal for high-performance data centers, communication networks, large-scale computing, and cloud computing environments. As a leading supplier from China, we ensure that our QSFP-DD modules meet the highest standards of quality and performance, QSFP-DD: This refers to the quad small form factor pluggable-double density optical module, which is a high-speed pluggable optical module defined by the QSFP-DD MSA. ETU-Link's factory is dedicated to producing reliable and efficient optical transceivers that meet the evolving demands of modern connectivity

    Ordering Information

    P/N Description Data Sheet Data Rate Wavelength Distance Output Power Sensitivity(OMA) Connector Temp.(℃) Laser Type
    EQD400-SR8 QSFP-DD SR8 DOWNLOAD 400G 850nm 100M -8.4~4 -3.4 MPO 0~70 VCSEL+PIN
    EQD400-DR4 QSFP-DD DR4 DOWNLOAD 400G 1310nm 500M -2.9~4 -4.4 MPO 0~70 EML+PIN
    EQD400-FR4 QSFP-DD FR4 DOWNLOAD 400G 1310nm 2KM -3.3~3.5 -2.6 LC 0~70 ENL CWDM+PIN
    EQD400-LR4 QSFP-DD LR4 DOWNLOAD 400G 1310nm 10KM -2.7~5.1 -4.3 LC 0~70 ENL CWDM +PIN
    EQD400-LR8 QSFP-DD LR8 DOWNLOAD 400G 1310nm 10KM -2.8~5.3 -7.1 LC 0~70 EML+PIN

    Frequently Asked Questions

    What is the maximum reach of the EQD400-LR8 transceiver?

    The EQD400-LR8 QSFP-DD transceiver supports a maximum transmission distance of up to 10KM over single-mode fiber (SMF) using LC connectors.

    Which 400G QSFP-DD models utilize MPO connectors?

    Both the EQD400-SR8 (850nm, 100M) and EQD400-DR4 (1310nm, 500M) optical transceivers are designed to operate with MPO interface connectors.

    What is the operating temperature range for these QSFP-DD modules?

    All listed 400G QSFP-DD transceivers, including SR8, DR4, FR4, LR4, and LR8 models, support a standard commercial operating temperature range of 0 to 70℃.

    What is the difference between EQD400-FR4 and EQD400-LR4?

    While both modules feature a 1310nm wavelength and LC connectors, the EQD400-FR4 is designed for shorter reaches up to 2KM, whereas the EQD400-LR4 supports long-distance transmissions up to 10KM.

    What laser types are used in these 400G transceivers?

    The transceivers use various advanced laser designs: VCSEL+PIN for short-range (SR8), EML+PIN for DR4 and LR8, and ENL CWDM+PIN for medium to long-range (FR4 and LR4) options.

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