GL-1
Issue 1 April 1994
Glossary
A
Active
A nonvolatile configuration area containing the most recently
saved configuration options. Any changes made to configuration
options can be saved by issuing an AT&W0 command.
analog signal
A type of signal composed of continuously variable values, used
to transmit data over telephone lines.
Answer mode
The modem is in a state where it is ready to receive an incoming
call. For example, an ATA (Answer) command has been issued
to place the modem into online Answer mode. The modem has
been forced off-hook and is generating an answer tone,
beginning the handshaking process with the calling modem.
Async dial
A factory preset configuration area containing the configuration
options most often used in asynchronous dial networks.
asynchronous transmission
A data transmission that is synchronized by a transmission start
bit at the beginning of a character (five to eight bits) and one or
more stop bits at the end.
AT command set
A group of commands, issued from an asynchronous computer,
that allows control of the modem while in Command mode. All
commands must begin with the characters AT and end with a
carriage return.