American Telecom AM64/128A - Manual (Page 38)

Glossary AM64/128A User Manual
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V.24 CCITT specification. List of definitions for interchange circuits between DTE and DCE.
V.28 CCITT specification. Electrical characteristics for unbalanced double-current interchange
circuits. (V.28 Interchange circuits defined in V.24)
V.35 CCITT specification. Data transmission at 48kbit/s using 60-108kHz group band circuits.
V.36 CCITT specification. Modems for synchronous data transmission using 60-108kHz group
band circuits.
X.21 CCITT specification. Interface between DTE and DCE for synchronous operation on public
data networks.
X.21 bis CCITT specification. Use on public data networks of DTE which is designed for interfacing
to synchronous V-series modems.
X50 Div 2/3 CCITT specification. Fundamental parameters of a multiplexing scheme for the
international interface between synchronous data networks. (80 and 20 bit patterns)