The sublayer of the data link layer is responsible for the placement of frames on the media and the removal of frames from the media.

MAC or Media Access Controller.

Explanation:

According to my research on information technology and the hardware used, I can say that based on the information provided within the question the hardware being described is called a MAC or Media Access Controller. This sub-layer communicates directly with the physical layer in order to control access to the media, and like mentioned in the question is responsible for the placement of frames on the media and the removal of frames from the media.

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