Site-to-site transport interlock
The site-to-site transport interlock was a component of the transporter system, designed to permit site-to-site transport. Deactivating the interlocks required transports to either originate or end on the transporter pad.

In 2367, Miles O'Brien deactivated the interlocks in an attempt to thwart Lieutenant commander Data, who had seized control of the  and taken it to Terlina III. The attempt failed, as Data used a series of force field commands to reach Transporter Room 1 and reactivate the interlocks. ()

fr:Interlock de téléportation site-à-site
Transporter technology