In history, the United States Apple as an alternative to SCSI (small computer systems interface) design of high speed interface FireWire FireWire Terminal, and finally in the United States becomes the formal specifications of IEEE1394, Sony multimedia data transmission function value it will be after its name for as iLINK DV cameras.

This connection using a small rectangular 4-pin terminals, digital serial interface, bi-directional transmission, transmission speeds up to 400M, for the internal hard drive of the computer, computer audio and video editing systems, digital video cameras, or HDTV tuner. In some computer equipment can still be seen on a larger 6-pin FireWire connector, while transferring data and power supply.

HDCP security chains before the advent of technology, wire terminals on the HDTV devices be completely disabled to prevent unauthorized access copy, but heavy use on a digital camera connection.