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[ADSL2] is the successor to ADSL. Rough notes for now. Differences include: * Different modulation. ADSL2 uses a "16-state trellis filter and 1-bit QAM constellation" to improve datarates on high SNR links * Variable length framing information, which can be used to reduce overhead in low-performance (<128kbit) connections * Seamless power cutback. ADSl2 makes use of different power levels to reduce noise and crosstalk * Line bonding for higher datarates
One page links to
ADSL2
:
DSL
