When You're Network Cabling Runs Over 30 Metres
You're Going To Need Additional Components -

Extended CAT Cabling - For Cable Runs Up To 300 Metres
Patch Sockets - Used For Connecting The CAT Cable To Your Computer.
Patch Panels - Used For Connecting Several Computers Via A Switch.
Server Case - Used For Containing All The Network Components.

Extended CAT Cable

Twin CAT Socket

CAT Patch Panle

CAT Patch Panel

Network Cabinet