Mutiple use over single Cat 5

Some quick drawings of how you can run multiple connections over a single Cat 5 if you really must.’, ‘Note: These adapters MUST be on BOTH sides of the connection. It is assumed that both sides of the single Cat 5 cable have female RJ45 jacks.

This is how to run two 10/100 data connections over a single Cat 5 cable if you really must. Keep in mind that this isn’t ideal because of cross talk, but will work if you don’t have a choice.

This is how to run a single 10/100 data connection and a single multi-line voice connection over a single Cat 5 cable.

This is how to run a single 10/100 data connection and two single line voice connections (your standard 1 pair voice connection) over a single Cat 5 cable.

This is how to run a single 10/100 data connection and a single multi-line voice connection using a single Cat 5 cable, and your voice is also using an RJ45 instead of an RJ11 like voice is supposed to be on.