| MTC-20146 block diagram [Source: pdf
The MTC-20146 is the
DMT modem, ATM Framer and controller chip of the MTK-20140 Rate adaptive ADSL DynaMiTe chipset. When used in
conjunction with the MTC-20144 analog front-end, the product supports
ANSI TI.413 release 2 ADSL specification and is SW upgradeable to ITU
G.992.1 and G.992.2 (G.Lite). The MTC-20146 may be used in both central
office (ATU-C) and remote (ATU-R) applications. It provides both a cell
based UTOPIA Level 1 and 2 ATM data interface.