Description
The AddOn Cisco® SFP25G-LR-S-I-DW3740 compatible SFP28 transceiver delivers reliable 25GBase-DWDM performance over single-mode fiber (SMF) up to 10km using a 1537.40nm wavelength via an LC duplex connector. Designed for industrial-grade durability, it operates in extreme temperatures (-40°C to 85°C) and supports Digital Optical Monitoring (DOM) for real-time parameter tracking.
Fully compliant with SFF-8432 and SFF-8472 standards, this hot-swappable transceiver ensures seamless integration into Cisco® networking environments. It is TAA-compliant, RoHS certified, and backed by AddOn’s limited lifetime warranty for long-term reliability.
| Specification | Details |
|---|---|
| SKU | SFP25G-LR-S-I-DW3740-AO |
| Form Factor | SFP28 |
| Data Rate | 25GBase-DWDM |
| Wavelength | 1537.40nm (ITU Channel D50, 100GHz spacing) |
| Reach | Up to 10km over SMF |
| Connector Type | Duplex LC |
| Fiber Type | Single-Mode Fiber (SMF) |
| Temperature Range | -40°C to 85°C (Industrial) |
| DOM Support | Yes, Digital Optical Monitoring |
| Standards Compliance | SFF-8432, SFF-8472 |
| Hot Swappable | Yes |
| Power Dissipation | 2.0W (Max) |
| Extinction Ratio | ≥6 dB |
| Transmitter Power | -1 to +5 dBm |
| Receiver Sensitivity | -15 dBm (BOL), -14.5 dBm (EOL), -9 dBm (after 10km transmission) |
| Relative Intensity Noise | -130 dB/Hz |
| Compliance | TAA Compliant, RoHS Lead-Free, EMI/EMC, ESD, Laser Safety Standards |
| 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.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
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