GLOBALfiber QDD-400G-ER8 is a 400G QSFP-DD ER8 transceiver for single-mode links up to 40 km. Eight wavelength lanes share a duplex LC connection for data centre and telecom applications that need extended optical reach.
Available coding and compatibility
Available coding: Arista, Cisco, Generic. 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-ER8 |
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| Form factor | QSFP-DD |
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| Capacity | 400G |
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| Applications | 400GBASE-ER8 Ethernet; data centre and telecom links |
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| Power dissipation | 14 W maximum |
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| Reach and fiber | 2 m–40 km over single-mode fiber |
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| Nominal wavelength | 1310 nm nominal; eight wavelength lanes |
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| Optical connectors | Duplex LC |
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| Diagnostics | Digital optical monitoring (DOM/DDM) |
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Installation requirements
Configure host FEC for the intended link. Check total optical loss and receiver input limits, as well as host cooling and power capacity.