Introduction
Glossary
GL-5
Issue 1 April 1994
dial command modifiers
A modifier used in the dial string that instructs the modem how
to process a dialed telephone number.
dial string
A series of characters that consists of numbers and modifiers
used to dial a telephone number.
digital signal
A signal composed of only two discrete values (representing the
binary digits 0 and 1), used to transfer data between a locally
attached computer and a modem.
download
A file transfer in which a file is received from another computer.
DSR
Data Set Ready. A signal from the modem to the computer, sent
via Pin 6 of an EIA RS-232 interface, that indicates the modem
is turned ON and is connected to the computer.
DTE
Data Terminal Equipment. The equipment, such as computers
and printers, that provides or creates data.
DTR
Data Terminal Ready. A signal from the computer to the modem,
sent via Pin 20 of an EIA RS-232 interface, that indicates the
modem is turned ON and is connected to the computer.