Aperture Science Core Transfer Receptacle

The Aperture Science Core Input Receptacle (No official name is given/conjectural) is a computer data port that allows Personality Constructs to be attached to it and upload data or override computer functions in Portal 2.

They can be found throughout the Enrichment Center as one is primarily focused in the Central AI Chamber

Overview
When Chell was working alongside with Wheatley Wheatley was able to override testing protocol

The computer port becomes a vital storyline element inside the Central AI Chamber, Knowing this, Chell places Wheatley into the Core Input Receptacle  Finally, GLaDOS also uses that very same computer port in the Central AI Chamber  and back to the Central Core body

Function
This place will be the placeholder for the uncorrupted core while waiting for the corrupt core to be ejected.

Trivia

 * Humorously, Wheatley seems to feel a degree of embarrassment if someone directly watches him interfacing with a Receptacle, saying that he "can't do it if [Chell is] watching."