ZyXEL Communications Omni 56K USB Lite User Manual page 98

Omni 56K USB Lite
Transfer Mode Data can be transferred either synchronously 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. Different models are available for PCs. Models with an
internal buffer usually allow higher transfer rates.
UNIX A widely used operating system in large networks.
URL (Uniform Resource Locator) URL is an object on the Internet or an intranet that
resides on a host system. Objects include directories and an assortment of file
types, including text files, graphics, video, and audio. A URL is the address of
an object that is normally typed in the Address field of a Web browser. The URL
is basically a pointer to the location of an object.
V. The ITU-TSS V. - standards describe data transfer via telephone lines.
WAN Wide Area Networks link geographically dispersed offices in other cities or
around the globe. Just about any long-distance communication medium can
serve as a WAN link, including switched and permanent telephone circuits,
terrestrial radio systems, and satellite systems.
A term that describes Pirated Software on the Internet. Warez include cracked
Warez
games or other programs that software pirates distribute on the Internet.
Telephone wall outlet connector used in the USA and other countries.
Western Jack
WWW (World Wide Web) - Frequently used when referring to "The Internet", WWW
has two major meanings - First, loosely used: the whole constellation of
resources that can be accessed using Gopher, FTP, HTTP, telnet, USENET,
WAIS and some other tools. Secondly, the universe of hypertext servers (HTTP
servers).
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 that uses data blocks of 1 Kbyte and transfers filenames
and more than one file in one transfer.
T Glossary