The JBX02182 1000BASE-BX40-D SFP transceiver represents a critical component in modern optical networking infrastructure, specifically engineered for organizations requiring extended-range single-mode fiber connectivity. This device seamlessly integrates into Juniper networking environments and delivers robust performance for mission-critical applications. **Technical Specifications:** Operating at 1000BASE-BX40-D standards, this transceiver utilizes bidirectional wavelength division multiplexing technology, transmitting at 1550nm and receiving at 1310nm. The 9/125 micrometer single-mode fiber core ensures signal integrity across the maximum 40-kilometer transmission distance. The compact SFP form factor measures 5.0" L x 4.0" W x 2.0" H, fitting seamlessly into standard SFP slots. **Performance & Reliability:** Qualified to SFF-8472 specifications with extended-reach BiDi certification beyond standard IEEE 802.3ah protocols, this transceiver exceeds conventional performance benchmarks. The metal case construction with integrated laser transmitter ensures durability in demanding network environments. Operating temperature range from 0°C to 70°C accommodates diverse deployment scenarios. **Compliance & Safety:** Full RoHS and ELV compliance meets stringent environmental regulations. Comprehensive safety certifications include Class 1 Laser classification, TÜV, UL, and FDA certifications (21 CFR 1040.10), ensuring safe operation in professional environments. **Juniper Compatibility:** This transceiver directly replaces the Juniper EX-SFP-GE40KT15R13, providing a cost-effective alternative without sacrificing quality or performance. Custom brand programming is available for organizations requiring OEM integration. **Shipping & Support:** Ships from Danville, CA and Beaufort, SC locations with free standard shipping on orders exceeding $99. Each unit includes a 90-day limited warranty providing peace of mind for your network investment. Manufactured in Vietnam and China to strict quality standards.