Description
The AddOn Cisco® SFP25G-LR-S-I-DW3504 compatible SFP28 transceiver delivers reliable 25GBase-DWDM performance for long-reach data transmission. Supporting up to 10km over single-mode fiber (SMF) at a fixed wavelength of 1535.04nm, it utilizes a duplex LC connector and features full Digital Optical Monitoring (DOM) support for real-time diagnostics.
Engineered to meet SFF-8432 and SFF-8472 standards, this hot-swappable, industrial-temperature (-40°C to 85°C) optical module ensures seamless deployment in access, metro, and enterprise networks. It is fully compliant with TAA regulations, RoHS standards, and rigorously tested for 100% compatibility with Cisco® equivalents. Backed by AddOn’s limited lifetime warranty, it provides robust performance, reliability, and excellent ESD/EMI protection for mission-critical applications.
| Specification | Details |
|---|---|
| SKU | SFP25G-LR-S-I-DW3504-AO |
| Form Factor | SFP28 |
| Data Rate | 25GBase-DWDM (24.33 – 25.78 Gbps) |
| Wavelength | 1535.04 nm (DWDM, 100GHz channel spacing) |
| Reach / Distance | Up to 10 km over SMF |
| Connector Type | Duplex LC |
| Fiber Type | Single-Mode Fiber (SMF) |
| Temperature Range | -40°C to 85°C (Industrial) |
| DOM (Digital Monitoring) | Supported |
| Power Dissipation | 2.0 W (max) |
| Tx Power | -1 to +5 dBm |
| Rx Sensitivity | -15 dBm (typical) |
| Extinction Ratio | ≥ 6 dB |
| Compliance | SFF-8432, SFF-8472, TAA, RoHS 2.0, FCC Part 15, EN55022, IEC 60825-1/2 |
| 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.
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
A decade of delivery — trusted by 275+ clients across industries
