This splitter enables 2 different devices to share the same cable. Usually used in pairs at the patch panel and outlet. This splitter splits a 4 pair T568A/568B plug, pair 2&3 to jack1 and pair 1&4 to jack2 for 100BaseT application at either jack.
An RJ45 adapter has many uses. You can extend the length of an existing cable split a data or phone system line turn a DB style connection into an RJ45 or vice versa.
What adapter do I need to extend the cable for my internet?
Ethernet cables are straight pinned. You would need an inline coupler that is straight.
