The JBX01979 100BASE-LX10 SFP transceiver module represents a cost-effective, reliable solution for extending network infrastructure across medium distances with single-mode fiber optics. Engineered to replace Cisco GLC-FE-100LX modules, this optical transceiver delivers enterprise-grade performance and compatibility. Key Technical Specifications: This module operates at 1310nm wavelength, enabling transmission over 15 kilometers of single-mode fiber (9/125 micron core). The 100Mbps data rate aligns with Fast Ethernet standards, supporting legacy and modern infrastructure seamlessly. The SFP form factor provides compact integration into existing equipment, while duplex LC/UPC connectors deliver low insertion loss and excellent signal integrity. Superior Design & Build Quality: Constructed with a durable metal case and precision laser transmitter, the JBX01979 withstands demanding network environments. The robust design minimizes signal degradation while maintaining optimal optical performance throughout its operational lifespan. Compliance & Safety: This transceiver exceeds industry safety and environmental standards. Class 1 laser certification (LN #50 7/2001), FDA 21CFR 1040.10 compliance, UL/TUV validation, and RoHS/ELV directive adherence ensure safe operation and environmental responsibility. Full compliance with IEEE 802.3u specifications guarantees interoperability with standard networking equipment. Ideaul Applications: Perfect for campus network extensions, building-to-building connections, disaster recovery links, and enterprise backbone infrastructure. The 15km reach eliminates expensive repeater requirements in many scenarios, reducing total cost of ownership. Customization & Support: Custom brand programming is available for OEM and integrator requirements. Fast shipping from Danville, CA and Beaufort, SC locations includes free standard shipping on orders over $99. Backed by a 90-day limited warranty providing peace of mind and manufacturer support. Investment Value: By choosing this compatible alternative, organizations maintain network performance while optimizing capital expenditures. The proven LX10 transceiver architecture ensures reliability matching original equipment specifications.