Have you experienced this: You have two 5-feet RJ-45 Ethernet Network cables on hand, but your network device is 10-feet away. Now how do you connect? Either you have to buy a new 10-feet cable or . . .
Just join the two shorter Cat5E/6 cables together to form a larger cable using a RJ-45 Coupler/Network Cable Extender.
How to Connect Cables to the Rj-45 Coupler/Cable Extender?