User's Manual

Appendix TECHNICAL INFORMATION
GLOSSARY
AAE Automatic Answering Equipment
AM Amplitude Modulation
BPS Characters per second
BSC Byte Synchronous Communication (synchronous protocol)
DCE Data Communication Equipment
DTE Data Terminal Equipment
DPSK Differential Phase-Shift Keying
DTE Data Terminal Equipment (= DTE)
ETX End of Text
FCS Frame Checking Sequence
FM Frequency Modulation
FSK Frequency Shift Keying
HDLC High Level Data Link Control (Synchronous Protocol)
MFV Multi-Frequency Dialing Procedure (= Tone Dialing)
MNP Microcom Networking Protocol (Process for Error Checking and Data
Compression)
oK Upper Channel
PM Phase modulation
PSK Phase Shift Keying
QAM Quadratic Amplitude Modulation
Retrain Synchronisation of Modem where Line Conditions have changed
SDLC Synchronous Data Link Control (synchronous protocol)
STX Start of Text
SYN Synchronous Character
uK Lower Channel
Sign Data Frame, made up of Data bits
Length Start, Stop and Parity bits
TECHNICAL INFORMATION Appendix-1