This Cisco® GLC-GE-DR-LX compatible SFP transceiver provides 1000Base-LX throughput up to 10km over single-mode fiber (SMF) at a wavelength of 1310nm using a LC connector. It is guaranteed to be 100% compatible with the equivalent Cisco® transceiver. This easy to install hot swappable transceiver has been programmed uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. Digital optical monitoring (DOM) support is also present to allow access to real-time operating parameters. It is built to meet or exceed the specifications of Cisco® as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. This transceiver is Trade Agreements Act (TAA) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.