The JBX01237 40GBASE-LR4 QSFP+ optical transceiver represents a premium solution for demanding network infrastructure requirements. This module is engineered to provide reliable, high-speed optical connectivity over extended distances, making it an essential component for modern data center architectures and telecommunications networks. **Technical Specifications:** Designed to IEEE 802.3ba standards, this transceiver operates at 40 gigabits per second with support for 10-kilometer transmissions over single-mode fiber (SMF) with 9/125µm core specifications. The duplex LC/UPC fiber connectors ensure secure, low-loss connections while maintaining signal integrity across long distances. The compact QSFP+ form factor allows for maximum port density in high-performance switches and routers. **Performance & Compatibility:** Direct Intel E40GQSFPLR compatibility ensures seamless integration with existing infrastructure. The module features a metal case with integrated laser transmitter technology, delivering exceptional thermal management and signal quality. Operating reliably between 0-70°C (32-158°F), it adapts to diverse deployment environments. **Regulatory Compliance & Safety:** Full RoHS and ELV compliance demonstrates environmental responsibility. Class 1 Laser certification, TUV, UL, and FDA approvals (21CFR 1040.10) guarantee safety and reliability. The EU directive 2002/95/EC compliance ensures compatibility with European standards. **Application Use Cases:** • Enterprise campus networks connecting multiple buildings • Metropolitan area networks (MANs) spanning urban areas • Service provider backbone networks • Data center interconnect (DCI) solutions • Long-distance optical link extensions • High-bandwidth research and education networks **Custom Programming Available:** Our custom brand programming service allows integration with your existing network management systems and branding requirements. **Shipping & Support:** Enjoy free standard shipping on orders exceeding $99 from our Danville, CA, or Beaufort, SC distribution centers. Backed by a 90-day limited warranty and comprehensive technical support.