The JBX02197 1000BASE-BX40-U SFP transceiver represents a premium solution for organizations requiring extended-reach gigabit Ethernet connectivity over singlemode fiber infrastructure. Engineered to be fully compatible with Juniper EX-SFP-GE40KT13R14 specifications, this optical module delivers exceptional performance for demanding network environments. Key Technical Specifications: This transceiver operates at 1 Gigabit per second data rate and achieves impressive 40-kilometer transmission distances over standard 9/125 singlemode fiber. The bidirectional design leverages 1310nm and 1490nm wavelengths simultaneously, enabling full-duplex communication through a single fiber strand with simplex LC/UPC connector termination. Operating across 0-70°C temperature ranges ensures reliability in diverse deployment scenarios. Features and Benefits: The module's metal case with integrated laser transmitter provides superior electromagnetic shielding and thermal management. SFF-8472 qualification and IEEE 802.3ah extended-reach BiDi certification guarantee interoperability and standards compliance. RoHS/ELV directives compliance aligns with modern environmental regulations. Class 1 laser safety certification and TUV/UL/FDA approvals ensure workplace safety and regulatory adherence. Applications and Use Cases: Ideal for metropolitan area networks, campus interconnects, and long-haul enterprise connectivity. Particularly valuable for organizations requiring cost-effective alternatives to traditional long-distance solutions without compromising on speed or reliability. Warranty and Support: Backed by a comprehensive 90-day limited warranty, this transceiver includes custom brand programming availability for seamless network integration. Free standard shipping applies to orders exceeding $99, with fulfillment from strategically located distribution centers in California and South Carolina for expedited delivery.