A device used by Cylons to access information in their datastream, as well as control various other Cylon technologies. Agents need only to place their palm on the port and they will instantly access the data stream.(Exodus, Part I)
In Flight of the Pheonix, Sharon Agathon attempted a rough version of this technique with Colonial technology by inserting a cable into her arm, which allowed her to connect to Galactica's Computer.