This hp 455883 b21 compatible sfp transceiver provides 10gbase sr throughput up to 300m over multi mode fibre mmf at a wavelength of 850nm using a lc connector 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 hp transceiver this easy to install hot swappable transceiver has been programmed uniquely serialized and data traffic and application tested to ensure t