Description
The AddOn Finisar® FTL4C1QL2L Compatible QSFP+ Transceiver is a TAA-compliant, high-performance optical module designed for 40GBase-IR4 Ethernet applications. It delivers reliable data transmission over single-mode fiber (SMF) at distances up to 2km using wavelengths from 1270nm to 1330nm and a duplex LC connector. Hot-pluggable and fully compliant with the SFF-8436 standard, this transceiver offers seamless interoperability with OEM hardware and supports Digital Optical Monitoring (DOM) for real-time diagnostics. With robust ESD protection, low EMI metal housing, and RoHS-compliant design, it ensures exceptional reliability and long-term performance for enterprise, access, and data center networks.
| Parameter | Specification |
|---|---|
| SKU | FTL4C1QL2L-AO |
| Compatible OEM | Finisar® |
| Form Factor | QSFP+ |
| Data Rate | 40GBase-IR4 (4 x 10.3125 Gbps) |
| Wavelength | 1270nm – 1330nm |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector | Duplex LC |
| Maximum Distance | 2 km |
| Digital Diagnostics (DOM) | Supported |
| Compliance | SFF-8436, RoHS, TAA |
| Operating Temperature | 0°C to 70°C |
| Power Supply Voltage | 3.135V – 3.465V |
| Power Consumption | 3.5 W (typical) |
| Tx Average Launch Power (per lane) | -7.0 to 2.3 dBm |
| Rx Sensitivity (per lane, OMA) | ≤ -11.5 dBm |
| Receiver Power (per lane, OMA) | ≤ 3.5 dBm |
| Extinction Ratio | ≥ 3.5 dB |
| Eye Safety | Class 1 Laser Product |
| Hot Pluggable | Yes |
| Applications | 40G Ethernet, Access, Enterprise Networking |
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
