Description
The AddOn Cisco® SFP25G-LR-S-I-DW4373 Compatible Transceiver is a high-performance, hot-swappable SFP28 module designed for 25GBase-DWDM applications. Supporting transmission distances up to 10km over single-mode fiber (SMF), this transceiver operates on a 1543.73nm wavelength within the 100GHz ITU grid.
Built to deliver reliable connectivity across enterprise, metro, and access networks, it ensures seamless integration with Cisco® equipment and is guaranteed 100% compatibility. It features digital optical monitoring (DOM) for real-time performance insights, and its industrial temperature rating (-40 to 85°C) ensures robust operation in demanding environments.
Backed by AddOn’s limited lifetime warranty and full compliance with RoHS, SFF-8432, SFF-8472, and TAA standards, this transceiver offers exceptional quality, reliability, and value.
| Specification | Details |
|---|---|
| Part Number | SFP25G-LRSIDW4373-AO |
| Form Factor | SFP28 |
| Data Rate | 25GBase-DWDM (24.33 – 25.78 Gbps) |
| Wavelength | 1543.73 nm (DWDM, ITU Channel D42) |
| Distance | Up to 10 km |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector | Duplex LC |
| Operating Temperature | -40°C to +85°C (Industrial) |
| Digital Optical Monitoring | Supported (DOM) |
| Hot-Swappable | Yes |
| Compliance | SFF-8432, SFF-8472, RoHS, TAA |
| Warranty | Limited Lifetime Warranty |
| Compatibility | Cisco® Compatible |
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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