Description
The AddOn SFP25G-LR-S-I-DW3977-AO is a Cisco® compatible 25GBase-DWDM SFP28 transceiver that delivers reliable 25Gbps connectivity over single-mode fiber (SMF) up to 10km. Operating at a wavelength of 1539.77nm, this hot-pluggable transceiver supports digital optical monitoring (DOM) for real-time diagnostics, ensuring network stability and performance.
Built to withstand industrial temperature ranges (-40°C to 85°C), it is ideal for metro, access, and enterprise applications. Fully compliant with SFF-8432/SFF-8472 standards, this transceiver is TAA-compliant, RoHS-certified, and designed to provide seamless interoperability with Cisco® systems. Backed by AddOn’s limited lifetime warranty, it ensures both performance and long-term reliability.
| Specification | Details |
|---|---|
| Brand | AddOn |
| SKU / Part Number | SFP25G-LRSIDW3977-AO |
| Compatibility | Cisco® SFP25G-LR-S-I-DW3977 |
| Form Factor | SFP28 |
| Data Rate | 25GBase-DWDM (24.33–25.78 Gbps) |
| Wavelength | 1539.77 nm (DWDM ITU Channel D47) |
| Transmission Distance | Up to 10 km |
| Connector Type | Duplex LC |
| Fiber Type | Single-Mode Fiber (SMF) |
| Digital Optical Monitoring (DOM) | Supported |
| Temperature Range | -40°C to +85°C (Industrial) |
| Power Dissipation | 2.0 W (Max) |
| Compliance | SFF-8432, SFF-8472, RoHS, TAA |
| Hot Pluggable | Yes |
| Warranty | Limited Lifetime Warranty |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
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