For some time now, Cisco has been offering new 1G SFPs for fiber and copper connections, namely “SFP-1G-SX” for multimode, “SFP-1G-LH” for singlemode, and “SFP-1G-T-X” with an RJ45 connector.
This can lead to confusion, because one might assume that they work in the same way as the GLC- ...