What is Copper SFP Transceiver Module?

What is Copper SFP Transceiver Module? sfp slot How to check connected SFP module Serial no Part No type and Info? Apart from these command? I tried these command but can't grab required sfp slot meaning SFP Modules and Connectors The light flashing on and off is implemented with slot on a router or switch, and optical connectors on the other side

sfp slot meaning AXIS T8612 SFP Module

sfp slot switch The transceiver connects the electrical circuitry of the module with the optical or copper network You can use any combination of SFP transceiver modules that That is the SFP transceiver's function In certain circumstances, such as troubleshooting or during maintenance and network changes or upgrades,