The JBX01232 40GBASE-LR4 QSFP+ transceiver represents enterprise-grade optical networking technology designed for demanding data center and campus network environments. This high-performance module delivers 40 gigabit per second data rates over distances up to 10 kilometers, utilizing proven single-mode fiber (SMF) technology with 9/125 micrometer core specifications. **Key Technical Features:** This QSFP+ form factor transceiver integrates advanced laser transmitter technology within a precision-engineered metal case. The duplex LC/UPC fiber connectors provide industry-standard connectivity with proven low-loss performance. Operating across a 0 to 70°C temperature range, the module maintains consistent performance in varied deployment environments. Qualified to IEEE 802.3ba standards, it meets stringent specifications for 40 gigabit ethernet applications. **Compatibility & Interoperability:** The JBX01232 is fully compatible with Extreme Networks infrastructure, directly replacing OEM part numbers including 40G-QSFP-LR4-1, 40G-LR4-QSFP10KM, and AA1404001-E6. This compatibility extends to multiple vendor platforms supporting IEEE 802.3ba and SFF-8436 specifications, ensuring seamless integration into existing network architectures. **Compliance & Safety:** This transceiver meets rigorous international standards including RoHS/ELV directives (EU 2002/95/EC) and carries comprehensive safety certifications: Class 1 laser designation, TUV approval, UL certification, and FDA compliance per 21CFR 1040.10. These certifications guarantee safe operation in professional environments. **Application Scenarios:** Ideal for enterprise data center backbone networks, campus area networks, and high-performance computing clusters requiring reliable 40GB connectivity. The 10km single-mode capability enables cost-effective long-distance interconnects without requiring repeaters or regeneration. **Value Proposition:** Offering exceptional performance-to-cost ratio, the JBX01232 delivers enterprise reliability without premium pricing. Qualified for custom brand programming, enabling seamless integration into OEM product portfolios. Includes 90-day limited warranty and benefits from free standard shipping on orders exceeding $99, reducing total cost of ownership for volume deployments.