iLink & FireWire

[Rob Lewis]

This is not true. There are not different implementations of 1394 for 
consumers and professionals. The standard FireWire port's 2 extra pins 
are for DC power, not balanced signals. FireWire devices can be 
bus-powered via these pins if their power demands are not too high.

On Wednesday, Jun 4, 2003, at 22:32 US/Pacific, Macintosh Digital Video 
List wrote:

> Actually, to be totally accurate, FireWire is the professional
> implementation of IEEE-1394, based on a balanced signal, whereas iLink
> is the consumer unbalanced version. That explains why FireWire has the
> two extra connections. Also, fwiw, Apple gets a license fee for every
> time the name FireWire (or the logo) is used, so Sony may have come up
> with the iLink moniker to avoid licensing fees.