MGBIC-LC04-PCW is a 100BASE-FX SFP Transceiver, generic for Enterasys MGBIC-LC04. It is guaranteed compatible for all Enterasys switch and router product lines. This transceiver can be mixed and deployed with Enterasys OEM transceivers for seamless network performance and interoperability. PC Wholesale offers a LIFETIME advance replacement warranty on all transceivers (compared to 90 days from most OEM manufacturers).