Ethernet Jack Wiring A Or B

Wondering why this ethernet wall plug is not working? Ethernet wiring wall socket cable diagram plug plate port working why room connections wondering not type sample Telephone jack wiring color code diagram

Telephone Jack Wiring Color Code Diagram | Wiring Diagram - Old

Telephone Jack Wiring Color Code Diagram | Wiring Diagram - Old

Telephone Jack Wiring Color Code Diagram | Wiring Diagram - Old

Telephone Jack Wiring Color Code Diagram | Wiring Diagram - Old

Wondering why this ethernet wall plug is not working? - Super User

Wondering why this ethernet wall plug is not working? - Super User