Specifications

Introduction 1-5

HELP Screens

The modem displays screens that summarize the command sets,

Dial command options, and S-Register functions. See Chapter

Modem Compatibility

Total Control MP modems adhere to the following modulation

schemes and standards, ensuring com patibility with a wide

base of installed modems.

Note: The International Telecommunication Union (ITU-T) was

formerly the International Telegraph and Telephone Consul -

tative Committee (CCITT).

ITU-T V.34 28.8K/26.4K/24K/21.6K/19.2K/16.8K/

14.4K/12K/9600/7200/4800/2400 bps

(V.34 only)

V.FC 28.8K/26.4K/24K/21.6K/19.2K/16.8K/

14.4K bps (V.34 only)

V.32 terbo 21.6K/19.2K/16.8K/14.4K/12K/9600/

7200/4800 bps

ITU-T V.32 bis 14.4K/12K/9600/7200/4800 bps

ITU-T V.32 9600/4800 bps

ITU-T V.22 bis 2400 bps

Bell 212A 1200 bps (also V.22)

ITU-T V.23 1200 bps with 75 bps back channel (some U.K.

and European phone systems)

ITU-T V.25 Answer sequence for calls originating outside

the U.S. and Canada

Bell 103 300 bps (ITU-T V.21 optional)

ITU-T V.42 LAPM error control, 1200 bps and higher

ITU-T V.42 bis Data compression, 1200 bps and higher

MNP Levels 2, 3, and 4 error control, level 5 data

compression, 1200 bps and higher