Legrand 407-BBGN-LEG 40GBase-LR4 QSFP+ Transceiver Module
The Legrand 407-BBGN-LEG is a Dell® 407-BBGN compatible 40GBase-LR4 QSFP+ transceiver engineered for high-speed, long-distance data center and enterprise networking. This single-mode fiber transceiver delivers 40 Gbps throughput over distances up to 10 kilometers, making it ideal for campus interconnects, disaster recovery links, and metropolitan area networks. With integrated Digital Optical Monitoring (DOM) capabilities, real-time performance metrics are accessible for proactive network management. Factory-programmed and tested for seamless compatibility with Dell systems, this hot-swappable module is TAA compliant and ready for immediate deployment in mission-critical environments.
Key Features
- 40GBase-LR4 protocol support with 40 Gbps throughput
- 10 km transmission distance over single-mode fiber
- Wavelength range: 1270 nm to 1330 nm for optimal signal integrity
- LC connector for standard fiber optic connectivity
- Digital Optical Monitoring (DOM) for real-time parameter access
- Hot-swappable design for zero-downtime module replacement
- Dell® 407-BBGN compatible — factory-programmed and tested
- Trade Agreements Act (TAA) compliant for government procurement
- Single-mode fiber architecture for extended reach applications
Technical Specifications
| Specification |
Details |
| Part Number |
407-BBGN-LEG |
| Manufacturer |
Legrand DAT |
| Compatible With |
Dell® 407-BBGN |
| Protocol |
40GBase-LR4 |
| Form Factor |
QSFP+ |
| Data Rate |
40 Gbps |
| Transmission Distance |
10 km |
| Fiber Type |
Single-Mode |
| Wavelength Range |
1270 nm to 1330 nm |
| Connector Type |
LC |
| Digital Optical Monitoring |
Supported |
| Hot-Swappable |
Yes |
| Compliance |
TAA Compliant |
Frequently Asked Questions
What is a 40GBase-LR4 QSFP+ transceiver used for?
A 40GBase-LR4 QSFP+ transceiver is used for high-speed, long-distance fiber optic connections in data centers, enterprise networks, and service provider environments. It supports 40 Gbps data rates over single-mode fiber up to 10 km, making it ideal for campus backbone links, disaster recovery replication, and metropolitan area network (MAN) deployments.
Is the Legrand 407-BBGN-LEG compatible with Dell systems?
Yes, the Legrand 407-BBGN-LEG is Dell® 407-BBGN compatible and factory-programmed and tested to ensure full compatibility with Dell networking equipment. It functions as a direct replacement for the original Dell transceiver module.
What does Digital Optical Monitoring (DOM) provide?
Digital Optical Monitoring enables real-time access to transceiver operating parameters including optical power levels, temperature, and voltage. This allows network administrators to monitor transceiver health, detect signal degradation, and perform predictive maintenance to prevent network downtime.
Why choose TAA-compliant networking transceivers?
TAA compliance ensures the product meets Trade Agreements Act requirements, making it eligible for government and public sector procurement. TAA-compliant transceivers guarantee domestic manufacturing standards and are preferred for federal, state, and municipal IT infrastructure projects.