The JBX02272 is a premium 1000BASE-LX SFP optical transceiver module designed for organizations requiring reliable, cost-effective gigabit Ethernet connectivity over extended distances. This module represents an excellent solution for enterprise data centers, carrier-class networks, and service providers seeking HPE-compatible optical transceivers. **Key Features & Specifications:** Operating at 1310nm wavelength with 10km transmission capability over single-mode fiber (9/125 SMF), this transceiver delivers consistent performance for backbone connectivity and campus area networks. The duplex LC/UPC connector configuration provides industry-standard connectivity with minimal signal loss and maximum reliability. Qualified to IEEE 802.3z standards, the JBX02272 ensures interoperability with certified network equipment. **Technical Excellence:** Constructed with a metal case and integrated laser transmitter, this SFP module maintains strict compliance with Class 1 laser safety standards and carries certifications from TUV, UL, and FDA (21CFR 1040.10). RoHS and ELV directive compliance (EU 2002/95/EC) ensures environmental responsibility without compromising performance. The module operates reliably across 0-70°C temperature ranges, supporting diverse deployment scenarios. **HPE Compatibility:** Drop-in replacement for HPE OEM part numbers J4859C, J4859D, and S0G20A, making upgrades and replacements seamless without equipment modification. Custom brand programming is available for organizations with specific requirements. **Value Proposition:** With 90-day limited warranty coverage and free standard shipping on orders exceeding $99, this transceiver delivers exceptional value. The compact 5x4x2 dimension profile enables installation in space-constrained environments without sacrificing cooling or accessibility. Ships from U.S. locations (Danville, CA and Beaufort, SC) for faster delivery. Ideal for network administrators and IT professionals expanding optical infrastructure, replacing aging equipment, or building redundant network paths, the JBX02272 combines proven HPE compatibility with certified safety standards and environmental compliance.