3Com 3C16685 User Manual page 139

half duplex
The term half duplex is used to describe data transmission that can
occur in two directions over the same communications link, in only
one direction at a time.
HTTP
HyperText Transfer Protocol. The client/server protocol used to
connect servers on the World Wide Web.
Internet
The name given to a public network which spans the world and
consists of thousands of pieces of network equipment. If you
connect to the Internet, you can communicate with equipment and
users across the world. The Internet uses a set of protocols called
TCP/IP. The World Wide Web is part of the Internet.
intranet
The name given to a large private network usually based on Internet
technology. Many businesses have Intranets so their employees can
exchange information between offices in many countries. Employees
are often given access to the Internet but the Intranet is protected
from external access by 'firewalls' (security restrictions imposed on
incoming traffic).
IP address
Internet Protocol address. A unique identifier for a device attached to
a network using TCP/IP. The address is written as four octets
separated with full-stops (periods), and is made up of a network
section, an optional subnet section and a host section.
IPX
Internetwork Packet Exchange. A protocol allowing communication
in a NetWare network.
LAN
Local Area Network. A network of connected computing resources
(for example workstations, printers, servers) covering a relatively
small geographic area (usually not larger than a floor or building).
Characterized by high data rates and low error rates.
Glossary 139