Differences between RJ45 Cover and SFP-A SFP-B SFP-C Cover
RJ45 Cover TYPE: for all the Ethernet LAN RJ45 Port Jack protective caps.
SFP-A B C Cover TYPE: for all the opening SFP SFP+ SFP28 slot on your Ethernet devices. Those are ALL fit for network routers, switches, computers, and network wall outlets. Ethernet networks cards and media converters, Patch Panels and computer devices.;