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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: DSL line stealing when there is no tone - DANGER - Operational content
On Wed, 16 May 2001, Steve Schaefer wrote: > The main reason not to stick a tone on the DSL line is that the line > coding (2B1Q) used by SDSL uses the baseband (low frequency part of the > spectrum). > > For line codings that don't use the baseband (CAP, DMT and variants like > G.lite), the DSLAM (telco central office DSL equipment) is always set up > so that the DSL can be combined with a voice circuit over the same pair, > so it still doesn't put a tone on the line. I predict great profits for the first person to duct tape 100 'tracer tone-generators' into a 23 inch rack with 48v DC power source. -- The comments and opinions expressed herein are those of the author of this message and may not reflect the policies of the Martin County Board of County Commissioners.
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