On Fri, 13 Apr 2007 20:18:52 UTC, Colin Wilson
<(E-Mail Removed) o.uk> wrote:
> > What carrier signal ???
> > The only time an ADSL 'carrier' is put on the line is when it is
> > rewired (literally) to carry ADSL
>
> Possibly a badly worded (on my behalf) description - back in the "old
> days" modems would have a "CD" (carrier detect) light, which would
> mean the line had an active signal it could use to dial out - not sure
> what it would normally (?) be called, perhaps "dial tone"
Nope...they were (and are) two different things. The signal on taking
the phone 'off hook' is dial tone' - the audible purring. 'Carrier
detect' is pretty much that - detection of a signal from the modem at
the other end.
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