Product Overview
The F-tone 40G LR4 QSFP+ transceiver is designed for long-reach data center and telecom applications up to 10km over single-mode fiber. This high-density module supports 40 Gigabit Ethernet and is compliant with the QSFP+ MSA specification.
Key Features
- Data Rate: 40 Gbps (4x10G)
- Wavelength: 1310nm (4 wavelengths)
- Distance: Up to 10km (SMF)
- Connector: LC Duplex
- Power Consumption: < 2.0W
- Operating Temperature: 0°C to 70°C
- Certifications: ROHS, CE
Technical Specifications
| Form Factor | QSFP+ |
| Data Rate | 40 Gbps (4x10G) |
| Wavelength | 1310nm (4 wavelengths) |
| Distance | 10km (SMF) |
| Fiber Type | Single-mode |
| Connector | LC Duplex |
| Power Consumption | < 2.0W |
| Operating Temperature | 0°C to 70°C |
| Compliance | IEEE 802.3ba, SFF-8436 |
Applications
- Data Center Interconnects
- Telecom Metro Networks
- Enterprise Core Networks
- Cloud Infrastructure
Quality Assurance
All F-tone transceivers undergo rigorous testing including:
- Optical performance verification
- Thermal cycling tests
- Compatibility validation with major switch vendors
- Long-term reliability testing
Warranty
F-tone provides a comprehensive 3-year warranty on all optical transceiver modules.
Model Number: FT-40G-LR4
S/N: FT20260207912345

