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400G QSFP-DD Transceivers
Test Program

Compatibility Test

The 400G QSFP-DD DR4/FR4/XDR4 are tested on the following switches to verify the compatibility. The test details for other types of 400G transceivers will be updated soon.

  • 400G QSFP-DD DR4
  • 400G QSFP-DD FR4
  • 400G QSFP-DD XDR4
  • Cisco Nexus 9316D-GX

  • Juniper QFX5220-32CD

  • Cisco Nexus 9316D-GX

  • Juniper QFX5220-32CD

  • Cisco Nexus 9316D-GX

  • Juniper QFX5220-32CD


Performance Test

Comprehensive performance testing with the latest and advanced networking equipment.

1. Optical Spectrum Test

Test whether the center wavelength of the transceiver conforms to the standard specification to keep the quality.

Center Wavelength

Side Mode Suppression Ratio

Spectrum Width

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Fs left.png 0:22

2. Eye Pattern Test

Observe the eye pattern and judge the performance of transceiver to ensure the signal quality.

Average Optical Power

Optical Modulation Amplitude


Tx Disable Optical Power

Extinction Ratio

Encircled Flux

3. Bit Error Rate Test

Perform PRBS31Q standard code form to test BER, verify the performance of transceiver and ensure the stability and reliability of the transmission.


Packet Loss

Fs left.png 0:31
Fs left.png 0:31

4. Temperature Test

Set different temperatures and perform the above performance tests to evaluate the reliability of transceiver.




Quality Commitment

Our dedication to quality enables our products is full compliant with the most stringent global standards.

  • This product provides the lifetime warranty, which aims to reflect our greatest sincerity. Please contact us to learn more.
  • This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
  • This product meets applicable RoHS requirements. The RoHS directive restricts the use of ten hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
  • REACH is a regulation of the European Union, adopted to improve the protection of human health and the environment through the better and earlier identification of the intrinsic properties of chemical substances. Please contact us to learn more.
  • This product was produced under the requirements of CE to indicate conformity with the essential health and safety. Please contact us to learn more.
  • This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
  • FDA is responsible for regulating radiation-emitting electronic products. To protect the public from hazardous and unnecessary exposure to radiation from electronic products. Please contact us to learn more.
  • This product fully accords with the WEEE, which is an environmental regulation of the European Union and aims to enhance the improvement of collection, treatment and recycling of products at the end of their life. Please contact us to learn more.

Test Report

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