Cat5e To Rj11 Wiring Diagram

For a cross over cable use 568a on one end and 568b one the other end.

Cat5e to rj11 wiring diagram.
The connections shown are specifically for an rj45 plug the thing on the end of the wire.
The jack should either come with a wiring diagram or at least designate pin numbers that you can match up to the color code below.
We will then identify each cable by plugging in a wire tester to each cable.

Im sure this is a simple question for most here.
The wall jack may be wired in a different sequence because the wires are actually crossed inside the jack.
Im running cable in an office for a fax line.

If you are unsure which one to use then you should go with the 568b diagram.
There may be instances where you may need to connect to or transpose from the old quad cable.
Registered jack type 11 is standard for telephone use in north america and many other parts of the world.

Most cable nowadays is utp unshielded twisted pair.
This tutorial shows you how.
The only difference between 568a and 568b wiring is that pairs 2 and 3 orange and green are swapped.

If both cable types are wired to the same standard testing will be easier with less re crimping.
While 568b is more common than 568a you can use either one as long as the same scheme id used on both ends.
The rj 11568 a similarity is beneficial because both phone and network cables will be terminated with an rj 45 connector cat 5 will be used for both services in the wiring closet before identifing each cable.

Telephone wiring for a phone outlet is typically either 1 2 or 3 pairs 2 4 or 6 conductor.
How to use cat 5 cable to terminate a rj11 connector basically 4 wires out of 8 make sure they are centered on the same layout on each end.
I attached a pic to make it clearer.

There are registered jack designations from rj11 to rj48.
Problem is i dont know anything about terminating phone lines the rj11 connectors or the wall plates.
One end of the cable terminates with a rj11 jack and the other end terminates in an rj11 wallplate.

The cable is cat5e.
From what i can gather the setup requires 4 wires but when i opened up the existing rj11 wall plate it appears the builder has used only 2 wires of the cat5e cable on each wall plate.
It is the 568b diagram that we demonstrate in this tutorial and the 568a wiring is shown in the diagrams below mainly for illustration.