Paradyne KeepInTouch 3760 User Manual page 97

AT prefix
A prefix issued before every AT command (except A/ and +++)
which identifies the computer's data rate, parity, and character
length.
autobaud
Modem automatically determines the asynchronous computer
data rate when using AT commands.
B
Bell 103J
An AT&T Bell standard for 300 bps data transmission.
Bell 212A
An AT&T Bell standard for 1200 bps data transmission.
bps
Bits per second. Indicates the speed at which data is transmitted
between devices.
buffer
A storage area used to compensate for differences in data flow
rate when transmitting data from one device to another.
C
CD
Carrier Detect. A signal between the local and remote ends of a
network indicating energy exists on the transmission circuit.
Associated with Pin 8 on an EIA RS-232 interface.
chassis ground
Pin 1 of an EIA RS-232 interface.
GL-2
Issue 3 April 1994