Description
The AddOn Cisco® DWDM-SFP-4931-AO is a high-performance, TAA-compliant small form-factor pluggable (SFP) transceiver designed for reliable 1000Base-DWDM applications. Supporting data transmission up to 80 km over single-mode fiber (SMF), it operates at a center wavelength of 1549.32 nm with 100GHz ITU channel spacing.
This hot-swappable module provides seamless compatibility with Cisco® switches and routers, ensuring smooth integration into existing infrastructures. It features Digital Optical Monitoring (DOM) for real-time parameter tracking, excellent ESD protection, and RoHS compliance. Engineered for Gigabit Ethernet and Fibre Channel deployments across metro, access, and enterprise networks, it delivers long-haul optical connectivity with maximum efficiency.
Backed by AddOn’s rigorous testing and a limited lifetime warranty, the DWDM-SFP-4931-AO is a dependable, cost-effective alternative to OEM optics, providing both quality and performance for mission-critical networking environments.
| Attribute | Details |
|---|---|
| Manufacturer | AddOn |
| Part Number (SKU) | DWDM-SFP-4931-AO |
| Compatibility | Cisco® DWDM-SFP-4931 |
| Form Factor | SFP (Small Form-Factor Pluggable) |
| Data Rate | 1000Base-DWDM (1.25 Gbps) |
| Wavelength | 1549.32 nm (ITU Channel 35, 100GHz spacing) |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector Type | Duplex LC |
| Transmission Distance | Up to 80 km |
| DOM Support | Yes (Digital Optical Monitoring) |
| Operating Temperature | 0°C to 70°C (Commercial) |
| Optical Power (TX) | 0 to +5 dBm |
| Receiver Sensitivity (RX) | ≤ –24 dBm |
| Receiver Overload | –10 dBm |
| Compliance | INF-8074, SFF-8472, RoHS, TAA, FCC Part 15, EN55022, FDA 21CFR, IEC 60825 |
| Hot Swappable | 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
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