US0
US0 is a narrow frequency band in the range ~20kHz - 138kHz that can be used for upstream traffic.
It can be used to provide better upstream bandwidth when the higher frequencies (US1, US2) have high attenuation on the line.
US0 is a narrow frequency band in the range ~20kHz - 138kHz that can be used for upstream traffic.
It can be used to provide better upstream bandwidth when the higher frequencies (US1, US2) have high attenuation on the line.