GLOBALfiber QDD-400G-FR4 is a 400G QSFP-DD FR4 optical transceiver for single-mode data centre connections up to 2 km. Its four optical wavelength lanes carry the link over a duplex LC fiber connection, providing an alternative to parallel MPO cabling.
Available coding and compatibility
Available coding: Arista, Cisco, Extreme, Fortinet, Generic, Juniper, NVIDIA(ETH). Provide the equipment model, port configuration and software version so support can be checked. Available coding does not confirm compatibility with every model or operating mode. For other coding requirements, contact salg@globalfiber.no.
Key specifications
| Specification | Details |
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| Product number | QDD-400G-FR4 |
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| Form factor | QSFP-DD |
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| Capacity | 400G |
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| Applications | 400GBASE-FR4 Ethernet; data centre links |
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| Reach and fiber | Up to 2 km over single-mode fiber |
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| Nominal wavelength | 1310 nm nominal; four wavelength lanes |
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| Optical connectors | Duplex LC |
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Installation requirements
Check the host cooling arrangement, power budget and port configuration before installation. Verify the fiber connection and FEC settings for the intended link.