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.This Cisco SFP-10G-LR-S compatible SFP+ transceiver provides 10GBase-LR throughput up to 10km over single-mode fiber (SMF) at a wavelength of 1310nm using a LC connector. C2G Cisco SFP-10G-LR-S Compatible TAA Compliant 10GBase-LR SFP+ Transceiver (SMF, 1310nm, 10km, LC, DOM) - For Optical Network, Data Networking 1 LC/P.