This cisco ons si ge sx compatible sfp transceiver provides 1000base sx throughput up to 550m over multi mode fibre mmf at a wavelength of 850nm using a lc connector it is also capable of withstanding rugged environments and can operate at temperatures between 40c to 85c digital optical monitoring dom support is also present to allow access to real time operating parameters our transceiver is guaranteed to be 100 compatible with the equivalent cisco transceiver this easy to instal