 | Voice limits distance I work for an independent telco and deploy ADSL daily. The biggest distance problem with ADSL is not the data, its voice. For the phone line to carry voice for more than about 18k, we must install load coils, which are inductors that cancel out the capacitance of the line. They pass voice great but kill DSL. ADSL is only a winner for telcos if they can use the same pair for both voice and data.
Where our company has extra copper pairs available, we will run a second pair to the home for DSL and unload it. We have had reliable ADSL doing this out to 30 kft. |