The CX11627 DMT datapump is a T1.413 Issue 2-, G.992.1- and
G.992.2-compliant Digital Signal Processor (DSP). The device
performs DMT modulation/demodulation, ATM transmission
convergence (TC), forward error correction (FEC) encoding/
decoding, data synchronization, and data interleaving. Control
and initialization of the datapump is done by the host PC as
part of the software drivers.