The JBX01207 40GBASE-ER4 QSFP+ transceiver represents a versatile and cost-effective solution for organizations requiring extended-distance optical connectivity in their network infrastructure. Designed specifically for single-mode fiber environments, this module excels in scenarios where long-haul transmission is essential, supporting reliable data communication across distances up to 40 kilometers without signal degradation. Key Technical Specifications: This transceiver operates at 40 gigabits per second and is fully qualified to IEEE 802.3ba specifications, ensuring seamless integration with modern networking equipment. The duplex LC/UPC fiber connector configuration provides excellent optical performance and minimal insertion loss, critical factors for maintaining signal quality over extended distances. The 9/125 micrometer singlemode fiber core specification aligns with standard telecom infrastructure, simplifying deployment across existing networks. Robust Construction and Safety: Manufactured with a protective metal case and equipped with precision laser transmission technology, the JBX01207 delivers exceptional durability and reliability. Comprehensive safety certifications including Class 1 Laser classification, TUV approval, UL/FDA compliance, and adherence to 21CFR 1040.10 standards guarantee safe operation in professional environments. RoHS and ELV compliance ensures environmental responsibility and regulatory adherence across global markets. Juniper Compatibility: Perfectly compatible with Juniper networking equipment, particularly the JNP-QSFP-40GE-ER4 platform, this transceiver serves as an authentic replacement for OEM components while offering improved value without compromising quality or performance. Ideal Applications: Suitable for data center interconnection, metropolitan area networks, enterprise campus links, and carrier-grade deployments requiring 40GB connectivity with extended reach. The 0-70°C operating temperature range accommodates diverse installation environments from climate-controlled data centers to outdoor cabinet installations. Convenient Ordering: Enjoy free standard shipping on orders exceeding $99, with availability from convenient distribution points in Danville, CA and Beaufort, SC. Custom brand programming options available upon request for integration into OEM solutions.