GLOBALfiber OSFP-400G-DR4 is a flat top 400G OSFP DR4 transceiver for single-mode connections up to 500 m. It supports documented 400G, 200G and 100G Ethernet configurations, making it suitable for data centre links that require flexible port operation.
Available coding and compatibility
Available coding: Arista, Generic, NVIDIA-Mellanox(ETH). Provide the equipment model, port configuration and software version so support can be checked. Listed coding does not confirm compatibility with every model. For other coding requirements, contact salg@globalfiber.no. Ethernet coding does not establish InfiniBand support.
Key specifications
| Specification | Details |
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| Product number | OSFP-400G-DR4 |
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| Form factor | OSFP, flat top (RHS) |
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| Capacity | 400G |
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| Applications | 400G Ethernet; 2 × 200G or 4 × 100G Ethernet; InfiniBand NDR or 2 × NDR200. Host, coding and breakout support required. |
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| Power dissipation | 9 W maximum |
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| Reach and fiber | 2–500 m over single-mode fiber |
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| Nominal wavelength | 1310 nm nominal; 1311 nm typical |
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| Optical connectors | MPO-12/APC |
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| Diagnostics | Digital optical monitoring (DOM/DDM) |
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Installation requirements
Host FEC is required for maximum reach. Confirm the host cooling arrangement, fiber polarity and intended port mode before installation.