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DOCSIS 1.1 vs. DOCSIS 2.0 differences ?

DOCSIS 2.0 builds upon DOCSIS 1.1, and provides all of its features and functionality. In addition, DOCSIS 2.0 provides the following enhancements:

Significantly enhanced upstream capacity
6.4 MHz maximum upstream channel width
30.72 Mbps maximum upstream channel capacity
Synchronous-CDMA operation
Increased robustness to upstream noise and channel impairments
Enhanced Reed-Solomon error correction
Trellis Coded Modulation
Channel utilization statistics

For additional information on the DOCSIS standard specifications, visit

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