The JBX01247 40GBASE-LR4L QSFP+ transceiver module represents a cutting-edge solution for enterprise-level optical networking infrastructure. Engineered to deliver exceptional performance in demanding data center environments, this module supports 40Gbps data rates over distances up to 2 kilometers via standard singlemode fiber optic cable with 9/125 micrometer core specifications. **Key Features & Specifications:** This transceiver utilizes the QSFP+ form factor, one of the industry's most widely adopted compact modular designs for high-speed networking. The duplex LC/UPC connector provides superior optical coupling and minimal back-reflection, ensuring signal integrity across long-distance transmissions. The integrated Class 1 laser transmitter technology delivers precise wavelength stability and power efficiency, critical for sustained 24/7 network operations. **Compatibility & Integration:** Designed as a direct replacement for Extreme Networks AA1404002-E6 modules, this transceiver integrates seamlessly into existing Extreme Networks infrastructure without requiring firmware updates or reconfiguration. Its universal compliance with IEEE 802.3ba and SFF-8436 standards ensures broad compatibility across vendor ecosystems. **Safety & Compliance:** This module meets rigorous international safety and environmental standards. RoHS/ELV certification ensures compliance with European environmental directives, while TUV, UL, and FDA 21CFR 1040.10 certifications confirm laser safety compliance. The metal case construction provides superior electromagnetic shielding and thermal management. **Operating Conditions:** With an operating temperature range of 0-70°C (32-158°F), this transceiver maintains optimal performance across diverse deployment scenarios, from air-conditioned data centers to field installations. Custom brand programming is available for organizations requiring proprietary identification. **Warranty & Support:** Every JBX01247 unit includes a comprehensive 90-day limited warranty. Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99, ensuring rapid delivery and cost-effective procurement for enterprise networks.