The JBX01217 is a high-performance 40GBASE-LM4 QSFP+ transceiver module specifically designed for enterprise-grade networking environments. This optical transceiver delivers impressive 40 gigabit per second data transmission capabilities, making it essential for modern data centers, telecommunications facilities, and large-scale network deployments requiring high-bandwidth connectivity. **Key Technical Specifications:** This transceiver module operates using advanced laser transmission technology housed within a precision-engineered metal case. It supports duplex LC/UPC fiber connections and is compatible with both OM4 and OM3 multimode fiber installations, providing flexible deployment options. The 150-meter transmission range over multimode fiber makes it perfect for connecting equipment within data center environments and campus networks without requiring expensive singlemode fiber infrastructure. **Compatibility & Integration:** The JBX01217 is fully compatible with Juniper networking equipment, specifically replacing the JNP-QSFP-40G-LX4 original equipment manufacturer part number. This makes it an excellent alternative solution for network upgrades, replacements, and expansions while maintaining complete compatibility with existing Juniper infrastructure. **Safety & Compliance:** This module meets rigorous international standards including IEEE 802.3ba and SFF-8436 specifications. It carries multiple safety certifications including Class 1 Laser approval, TUV, UL/FDA certification per 21CFR 1040.10, and LN #50 7/2001. RoHS and ELV compliance ensures environmental responsibility and meets EU directive 2002/95/EC requirements. **Operational Features:** Designed for reliable performance in professional environments, the transceiver operates across a 0 to 70°C temperature range, accommodating various installation conditions. The compact 5x4x2 dimension design ensures efficient use of space in equipment racks and switching modules. Custom brand programming options are available for organizations with specific branding requirements. **Warranty & Support:** Every unit includes a 90-day limited warranty ensuring peace of mind for your investment. With free standard shipping on orders over $99 and availability from multiple US locations (Danville, CA and Beaufort, SC), rapid deployment is guaranteed.