Hello everyone, I recently purchased an Enterasys C2G124-48P used off eBay to add to my network of a C2H124-48 and a C2G124-24. I have matching sets of Finisar FTRJ-8519-7D-2.5 SFP Fibre Optic Transceivers, with the appropriate cables. Since I do not know an incredibly large amount about these switches, I basically use them as dumb switches for my home network to teach myself more about networking.
The issue I'm having is that even after reverting all settings to the factory defaults through the boot menu, the new C2G124-48P will not use the SFP ports at all. With the aforementioned SFP transceivers, I cannot get the switch to connect to my other two Enterasys switches, which will connect to each other using the exact same SFP transceivers and cable. These other two switches will even connect to a Cisco SG 100-24 through the SFP ports. I cant even get the C2G124-48P to connect to itself in a loop, which the other switches will do just fine. Is there some hidden setting in these PoE class switches I'm missing, or does my switch just have dead SFP ports?