Need Help Building Home Network

[WENDY22]

OK I have Satellite Internet and which only has one modem but with the new computer being done this thursday I want it to have internet so after searching the internet I saw on a website a Dual Modular 8-Pin Wall Jack and I was wondering if anyone has used one of these before and how hard it is to hook everything up.
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[hmetal]

sorry but i dont understand your needs...do u have two pcs and you want to link each other and share internet connection with that plug?

anyway...hook up the female plug is quite simple

Tha wall plug is not a switch...