FireWire is a transport system. It sends data to and from digital devices. The transfer of data with FireWire is faster than USB transfer.

It multiplexes different types of digital signals on twisted pair conductors.
FireWire uses arbitration mechanism to ensure that bus is available for information transfer for all nodes. It handles up to 400 megabits per second.

The FireWire is a layered transport system with three layers:
Physical,
Link, and
Transaction.

FireWire allows plugging and unplugging of devices at any time. A "plug" refers to an audio or video output.

It is mostly used in digital video cameras. It is intended for devices with huge data like camcorders and DVD players.

One of the latest FireWire works in Dell 700m. It takes only 1m8s for transferring 743M file from the external hard disk.

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