Description
The AddOn Finisar® FTL4C1QE3C Compatible QSFP+ Transceiver is a high-performance, hot-pluggable optical module designed for 40GBase-LR4 Ethernet applications. It delivers reliable 40Gbps data transmission over single-mode fiber (SMF) with a reach of up to 10 km using wavelengths from 1270 nm to 1330 nm via a duplex LC connector. Engineered to meet or exceed OEM standards, this transceiver is 100% compatible with Finisar® hardware and fully compliant with SFF-8436 and IEEE 802.3ba standards.
Featuring Digital Optical Monitoring (DOM) support, robust ESD protection, and low EMI performance, this TAA-compliant transceiver ensures seamless integration into enterprise and access network infrastructures. Each unit is programmed, uniquely serialized, and rigorously tested to guarantee identical initialization and performance compared to OEM equivalents. AddOn backs this product with a limited lifetime warranty, ensuring long-term reliability and network uptime.
| Specification | Details |
|---|---|
| SKU | FTL4C1QE3C-AO |
| Compatibility | Finisar® FTL4C1QE3C |
| Form Factor | QSFP+ |
| Data Rate | 40 Gbps |
| Standards Compliance | SFF-8436, IEEE 802.3ba |
| Wavelength Range | 1270 nm – 1330 nm |
| Connector Type | Duplex LC |
| Fiber Type | Single-Mode Fiber (SMF) |
| Reach / Distance | Up to 10 km |
| Digital Optical Monitoring (DOM) | Supported |
| Operating Temperature | 0 °C to 70 °C |
| Power Consumption | 3.5 W (typical) |
| Supply Voltage | 3.13 V – 3.47 V |
| Applications | 40G Ethernet, Enterprise, Access Networks |
| Hot Pluggable | Yes |
| TAA Compliant | Yes |
| Warranty | Limited Lifetime Warranty |
| Compliance | RoHS, Lead-Free |
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
