Inhaltsverzeichnis
Werbung
Benutzerhandbuch für ZyXEL Omni 56K und Omni 56K Plus Modem
ter: Old French word for three.
Terminal equipment: A computer running terminal software is used as terminal equipment in modem connections.
Terminal program: A program which emulates the operation of a hardware terminal on a computer's screen and
keyboard.
Token: A token is a reencoding of information in less bits; basically an abbreviation.
Transfer mode: Data can be transferred either synchronouosly or asynchronously.
Transfer rate : The speed at which the data bits are effectively transferred.
UART: Universal Asynchronous Receiver and Transmitter; a special IC chip which controls the serial port. Differ-
ent models are available for PCs. Models with an internal buffer usually allow higher transfer rates.
V.: The ITU-TSS V. - standards describe data transfer via telephone lines.
Western jack : Telephone wall outlet connector used in the USA and other countries.
X.: The ITU-TSS X.-standards describe data transfer in public data networks.
XModem: A widely used, though somewhat aged, file transfer protocol. The use of 128 byte data blocks severely
limits the achievable throughput.
XON/XOFF: Software flow control. The data flow is stopped by sending ASCII character Control-Q (dec. 17; hex
$11) and restarted by Control-S (dec. 19; hex $13).
YModem: A file transfer protocol which uses data blocks of 1 Kbyte and transfers filenames and more than one file
in one transfer.
ZModem: A file transfer protocol with variable block size, reinitiation of aborted transfers and transfer of several
files in one transfer along with file (and path) names.
I
Werbung
Inhaltsverzeichnis
