GLOBALfiber S25G-L40-CHxx is a 25G SFP28 C-band DWDM optical transceiver for links up to 40 km over single-mode fiber. Each module uses one selected optical channel for wavelength-multiplexed Ethernet links.
Available coding and compatibility
Available coding: Arista, Cisco, Dell, Extreme, Fortinet, Generic, HP, Huawei, Intel, Juniper, NVIDIA-Mellanox(ETH). Provide the equipment model, port configuration and software version so support can be checked. Coding does not confirm compatibility with every model or protocol. For other coding requirements, contact salg@globalfiber.no.
Key specifications
| Specification | Details |
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| Product number | S25G-L40-CHxx |
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| Form factor | SFP28 |
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| Capacity | 25G |
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| Applications | 25G Ethernet |
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| Power dissipation | 1.5 W |
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| Reach and fiber | 40 km over single-mode fiber; host FEC required |
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| Nominal wavelength | One selected ITU C-band channel; available choices C17–C61 |
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| Optical connectors | Duplex LC |
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| Diagnostics | Digital optical monitoring (DOM/DDM) |
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Installation requirements
Match the selected wavelength to the multiplexer and remote optical interface. Enable host FEC and verify the complete optical link budget.