Description
The AddOn QSFP-40G-LR4-AO is a Cisco®-compatible 40GBase-LR4 QSFP+ optical transceiver designed for high-performance, long-reach networking over single-mode fiber (SMF). Delivering up to 10 km transmission distance using wavelengths between 1270 nm and 1330 nm through a duplex LC connector, it ensures seamless integration into existing Cisco® network environments.
This hot-swappable transceiver is engineered for easy deployment and optimal reliability. Each unit is programmed, uniquely serialized, and rigorously tested for data traffic and application performance to guarantee 100% compatibility and identical behavior to the OEM original. With Digital Optical Monitoring (DOM) support, administrators can monitor real-time operating parameters for proactive network management.
Compliant with SFF-8436, RoHS, and TAA standards, this module is ideal for enterprise, data center, and access network applications that demand reliable, high-bandwidth 40 GbE connectivity. AddOn backs every unit with a limited lifetime warranty, ensuring peace of mind and long-term value.
| Specification | Details |
|---|---|
| Brand | AddOn |
| Model / SKU | QSFP-40G-LR4-AO |
| Compatibility | Cisco® QSFP-40G-LR4 |
| Form Factor | QSFP+ |
| Data Rate | 40 Gbps |
| Transmission Distance | Up to 10 km |
| Wavelength Range | 1270 nm – 1330 nm (4 lanes) |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector Type | Duplex LC |
| Digital Optical Monitoring (DOM) | Supported |
| Temperature Range (Operating) | 0 °C to 70 °C |
| Temperature Range (Storage) | –40 °C to 85 °C |
| Power Consumption | ≤ 3.5 W |
| Supply Voltage | 3.13 V – 3.47 V |
| Compliance Standards | SFF-8436, RoHS, TAA |
| Hot-Swappable | Yes |
| Applications | 40G Ethernet, Access Networks, Enterprise, Data Centers |
| Warranty | Limited Lifetime Warranty |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
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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