...G.SHDSL Economy and Etherlink II modems only know two PAM modes (16 and 32), Etherlink IV  works with PAM modes from 4 to 128. Although the PAM mode does not directly affect the transmission speed, it is, however, crucial to it. The speed is dir...

...entire communication. Etherlink II and IV are TDM-based. Needless to say, different communication variants (Ethernet and E1) can be transmitted together (multiplexed) conveniently with TDM-based technologies. • ATM stands for Asynchronous Transfer...