The JBX02183 1000BASE-BX40-D SFP Transceiver represents a premium solution for organizations requiring reliable, cost-effective long-distance fiber optic connectivity. Engineered to replace the OEM Juniper SFP-1GT15R13BX40-I, this transceiver maintains full compatibility while offering significant cost savings without compromising performance or reliability. **Technical Specifications:** This transceiver operates at 1000 Mbps (1GB) data rates using 1550/1310nm wavelengths for bidirectional transmission over single-mode fiber. With a 40km transmission range, it's perfectly suited for campus networks, metropolitan area networks (MANs), and inter-datacenter connectivity. The device qualifies to SFF-8472 extended-reach BiDi specifications, ensuring enhanced functionality beyond standard IEEE 802.3ah requirements. **Connectivity & Compatibility:** The simplex LC/UPC fiber connector provides secure, low-loss connections with standard fiber patch cords. Its SFP form factor allows installation in any compatible Juniper switch, router, or optical multiplexer. The metal case construction with integrated laser transmitter ensures durability and optimal performance in demanding environments. **Safety & Compliance:** Fully certified as a Class 1 Laser device, this transceiver meets TUV, UL, and FDA (21CFR 1040.10) safety standards. RoHS and ELV compliance (EU directive 2002/95/EC) ensures environmental responsibility and regulatory adherence across global markets. **Operating Conditions:** With an operating temperature range of -40°C to 85°C, this transceiver performs reliably in diverse environments from air-conditioned datacenters to outdoor equipment shelters. The 9/125 singlemode fiber core delivers exceptional signal integrity and minimal dispersion over extended distances. **Warranty & Support:** Each unit includes a 90-day limited warranty. Custom brand programming is available for integration into OEM product lines. We offer free standard shipping on orders exceeding $99, with fulfillment from strategically located distribution centers in California and South Carolina.