Fire Wire Component or Composite signal

Just curious, I've never really been informed or found the answer to this:
Is Fire Wire a component or composite video signal. I've heard agruements that it's both.
Thanks,
ed

all the formats in the D7 format (DV, DVCPRO, DVCAM, D8) are all Digital component
D1 (8-bit), D5 (10-bit), D9 (digital S) and DVCPRO 50 are also all Digitial Composite signals<<
The formats yes ... but Firewire isn't a format. It's just a data transfer protocol.

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