david at gibson.dropbear.id.au
Wed Jun 12 19:56:00 EST 2002
On Wed, Jun 12, 2002 at 06:11:51PM +1000, Bob Edwards wrote:
> David Gibson wrote:
> > That would certainly be true of power lines, and (electrical) data
> > cables too. But TransACT is all fibre, so fire risk is not a reason
> > to not put the cables down the gas pipes themselves.
> Actually, TransACT is not "all fibre". The fibre runs to the supernodes
> and to the smaller nodes. Telephone services run over copper wires from
> the supernodes to the premises, up to 1 km or more away. Video/data
> (VDSL) services run from the local nodes to the premises over copper
> wire up to 300m away.
Well, yes, I meant the core of the network up to the nodes.
> It is this last 300m or so that is causing the problem in areas with
> underground power distribution. Getting the fibres to the supernodes
> and local nodes is not such a big issue for TransACT, they can bury
> these at only marginal extra expense. Much of the fibre to the supernodes
> and local nodes is buried around Turner in any case.
Ah, ok. I was assuming the problem was the main lines, not the last
hop to actual houses. But now that you mention it, I guess that would
be the harder part of the problem.
David Gibson | For every complex problem there is a
david at gibson.dropbear.id.au | solution which is simple, neat and
| wrong. -- H.L. Mencken
More information about the linux