It also appears these cable were terminated by someone who does not do it often.
Cat5e wall jack not working.
How to troubleshoot wired cat 5 cat 6 etc network connections.
The cat5 wall jacks are just like the power outlets in your house.
So i live in a new house we moved into it about 5 months ago when i say new i mean it s just build around 2 3 years ago the original owner put in a ethernet wall jack in each room they each consist of cat5 cat5e and coxial jacks now i pulled the backing off and they are all connected to yellow cables and blue cables ethernet cables now i went into my basement and found the yellow.
Each jack should have a cable that is running to a central location.
You should have one pair on pins 1 and 2 another on pins 3 and 6 another on pins 4 and 5 and the last on pins 7 and 8.
Seeing it s an apartment i d contact your property management company and or speak to.
A cat 5e cable is made up of four pairs.
If you think of a as a chain made up of series of links it will help you better visualize and understand the possible points of failure.
Troubleshooting a cat 6 or cat 5 network connection from the network switch to the data outlet and or computer can sometimes be very frustrating even for an experienced professional.
The cables that are inside the walls have to go some where and be connected to something in order for them to work.
It s not enough just to have pin 1 connected to pin 1 pin 2 to pin 2 and so on.