1000BASELX/LH SFP Optical Transceiver Module Supports up to 20 km link lengths over LC duplex singlemode fiber (SMF). Suitable for longhaul connections between buildings or campuses. Maximum power consumption: 1 W, designed for energyefficient operation and prolonged service life. Commercial temperature range: 0 to 70 C (32 to 158 F), delivering reliable performance in typical data center and enterprise environments. Builtin Real Time Digital Optical Monitoring (DOM) capability for strong diagnostic visibility and proactive maintenance. Hotpluggable SFP MSA form factor and RoHS compliant to maximize uptime and simplify field replacement and maintenance. Compatibility and testing: Tested in targeted switches for performance, quality, and reliability. Our compatibility lab facilities support EEPROM coding and writing requirements with various brands of current networking equipment to ensure interoperability. Use scenarios Interbuilding campus links: Connect distant buildings within a campus or metropolitan area network with a reliable 20 km singlemode fiber link, enabling centralized data and application access without multiple hops. Data center interconnects and uplinks: Use as an uplink or switchtoswitch connection in data centers, linking core, aggregation, or edge devices where reliability and long reach are required. Remote site WAN connections: Establish a stable link from a remote office or disaster recovery site back to the primary data center, supporting consistent performance over extended distances. This transceiver provides clear visibility into link health, broad compatibility across brands through tested EEPROM coding, and robust performance over a wide operating temperature range, making it suitable for enterprise, data center, and campus network deployments.