Description
The AddOn Arista Networks® QSFP-40G-ER4-AR compatible QSFP+ transceiver delivers reliable 40GBase-ER4 Ethernet connectivity up to 40km over single-mode fiber (SMF) using wavelengths ranging from 1270nm to 1330nm via a duplex LC connector. Engineered for seamless interoperability, it is guaranteed to be 100% compatible with the original Arista Networks® module, offering an easy-to-install, hot-swappable solution ideal for high-performance access and enterprise networks.
This TAA-compliant transceiver supports Digital Optical Monitoring (DOM) for real-time access to key operating parameters, ensuring optimal network performance and easier troubleshooting. Built with robust ESD protection, excellent EMI shielding, and full RoHS compliance, it is designed to meet demanding data center and telecom requirements. Each unit undergoes rigorous programming, unique serialization, and comprehensive data traffic and application testing to ensure reliable operation and full OEM equivalence.
| Specification | Details |
|---|---|
| SKU | QSFP-40G-ER4-AR-AO |
| Form Factor | QSFP+ |
| Data Rate | 40 Gbps |
| Application | 40GBase-ER4 Ethernet |
| Wavelength Range | 1270nm – 1330nm |
| Connector Type | Duplex LC |
| Fiber Type | Single-Mode Fiber (SMF) |
| Max Distance | Up to 40 km |
| Digital Optical Monitoring (DOM) | Supported |
| Compliance Standards | SFF-8436, IEEE 802.3ba, MSA |
| Temperature Range (Operating) | 0°C to 70°C |
| Power Supply Voltage | 3.135V – 3.465V |
| Power Consumption | 3.5 W |
| Hot-Swappable | Yes |
| ESD Protection | Enhanced |
| EMI Shielding | Metal enclosure with low EMI |
| TAA Compliant | Yes |
| RoHS Compliance | Yes |
| Launch Power (per Lane) | -3.7 dBm to 4.5 dBm |
| Receiver Sensitivity (OMA) | ≤ -18 dBm |
| Connector Type | Duplex LC |
| 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
