I believe a NEMA 6-50R receptacle will fit that, which is available at Home Depot. It is a 50 amp receptacle but you will have 10/2 romex wire run to it and have it attached to a 2 pole 30 amp breaker. Because you are protecting the wire with the properly sized breaker the receptacle being 50...
I am an electrician by trade but have done my fair share of low voltage/network wiring over the years, but as always take anything strangers on the internet tell you with a grain of salt.
-Yes you want to use a punchdown tool to terminate your female jacks. Make sure you are using the tip that...