Add replace or upgrade sfp modules on gigabit fiber equipment the sfpglclhsmst cisco compatible gigabit fiber sfp transceiver module smmm lc is built to comply with msa multi sourcing agreement standards to offer a cost effective way to add replace or upgrade an sfp slot on your gigabit fiber networking equipment or fiber media converter supporting a 1000base lxlh network with data rates up to 125 gbps this lc sfpmini gbic module can be installed into any fiber networking device wi