The JBX01248 40GBASE-LR4L QSFP+ Transceiver represents a high-performance solution for enterprises and data centers requiring reliable 40GB optical connectivity. This singlemode transceiver is specifically designed to transmit low-voltage network signals across extended distances, making it ideal for campus networks, metropolitan area networks (MANs), and large data center interconnections. **Technical Excellence:** This module supports the 40GBASE-LR4L standard, delivering 40 gigabits per second of throughput over singlemode fiber (SMF) with a core diameter of 9/125 micrometers. With a maximum transmission distance of 2 kilometers, it bridges remote network segments without requiring expensive signal regeneration equipment. The Duplex LC/UPC connectors provide low insertion loss and are industry-standard for professional networking deployments. **Juniper Compatibility:** Designed as a direct replacement for Juniper's JNP-QSFP-40GE-IR4 transceivers, this module seamlessly integrates into existing Juniper routing and switching infrastructure. Custom brand programming is available for organizations requiring OEM-branded modules, ensuring compatibility with existing network management and inventory systems. **Reliability & Compliance:** Built with a robust metal case and advanced laser transmitter technology, the JBX01248 operates reliably across temperatures from 0-70°C, accommodating diverse environmental conditions. It meets stringent international standards including IEEE 802.3ba for electrical performance and SFF-8436 for form factor specifications. Safety certifications from UL, TUV, and FDA (21CFR 1040.10) confirm its suitability for critical network infrastructure. RoHS and EU directive 2002/95/EC compliance ensures environmental responsibility without sacrificing performance. As a Class 1 Laser device, it meets the highest laser safety standards for workplace environments. **Maintenance & Support:** The module features standard LC/UPC connectors that are easily cleanable and maintainable using industry-standard fiber optic cleaning procedures. A 90-day limited warranty protects your investment, and our team provides technical support to ensure optimal performance. Ship from convenient locations in Danville, CA and Beaufort, SC ensures rapid delivery, with free standard shipping on orders exceeding $99. Whether upgrading existing infrastructure or building new network capacity, the JBX01248 delivers enterprise-grade reliability at competitive pricing.