Description
The AddOn Arista Networks® QSFP-LR4 Compatible TAA 40GBase-LR4 QSFP+ Transceiver delivers reliable, high-performance connectivity for enterprise and data center networks. Designed for use over single-mode fiber (SMF), it supports data transmission distances of up to 10km using wavelengths from 1270nm to 1330nm via a duplex LC connector. This hot-pluggable module complies with the SFF-8436 standard and supports Digital Optical Monitoring (DOM), enabling real-time access to critical operating parameters.
Each unit is programmed, uniquely serialized, and rigorously tested for traffic and application compatibility, ensuring seamless integration and performance identical to the OEM equivalent. Built to meet or exceed industry standards, the QSFP-LR4-AO is TAA compliant, RoHS certified, and backed by AddOn’s limited lifetime warranty — delivering dependable 40G Ethernet connectivity for access and enterprise applications.
| Specification | Details |
|---|---|
| Compatible OEM | Arista Networks® |
| Form Factor | QSFP+ |
| Data Rate | 40GBase-LR4 |
| Connector | Duplex LC |
| Fiber Type | Single-Mode Fiber (SMF) |
| Wavelength | 1270nm – 1330nm |
| Maximum Distance | 10 km |
| Digital Optical Monitoring (DOM) | Supported |
| Compliance Standards | SFF-8436, RoHS, TAA |
| Hot Pluggable | Yes |
| Operating Temperature | 0°C to 70°C |
| Power Consumption | 3.5 W |
| Power Supply Voltage | 3.13 – 3.47 V |
| Average Launch Power (each lane) | -7 to 2.3 dBm |
| Receiver Sensitivity (each lane) | -11.5 dBm |
| Extinction Ratio | ≥ 3.5 dB |
| Side-Mode Suppression Ratio | ≥ 30 dB |
| Relative Intensity Noise | ≤ -128 dB/Hz |
| 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
A decade of delivery — trusted by 275+ clients across industries
