Introduction
Glossary
GL-2
Issue 1 April 1994
AT command string
Several AT commands issued at once, preceded by the AT
prefix.
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.
bis
Latin for “twice.” Used to distinguish a revised standard or
recommendation from other versions. For example: V.22 bis.
bps
Bits per second. Indicates the rate of data transmission between
devices.
buffer
A storage area used to compensate for differences in data flow
rate when transmitting data from one device to another.