3Com 3C589D User Manual page 46

2 G
LOSSARY
NDIS
Network Driver Interface Specification, developed by
Microsoft and 3Com. A software specification used in
network operating systems, such as IBM LAN Server or
Microsoft LAN Manager, to create drivers for network
adapters. NDIS drivers support multiple protocols and
multiple adapters and can be unloaded from memory to
conserve conventional DOS RAM space.
PCMCIA
Personal Computer Memory Card International
Association.
PC Card
A new global standard that replaced the PCMCIA standard
in 1994. The standard is designed to enhance compatibility
and functionality among PC Cards (credit card-sized devices).
It also provides for future high-performance PC Card
applications through CardBus, a new 32-bit bus-mastering
interface.
Socket
In the PC Card environment, the hardware in the host
computer where the PC Card is placed. The socket maps
the host's internal bus signals to the PC Card interface
signals.
Socket Services
The software layer that provides a standardized interface to
manipulate PC Cards, sockets, etc.
Transceiver
A hardware device that links a node to a baseband network
cable and functions as both a transmitter and a receiver.
Twisted-pair
Wiring similar to that found in the telephone system,
consisting of two insulated wires loosely twisted around
each other to help cancel out induced noise in balanced
circuits.
URL
Universal resource locator. This is the internet address of a
web site.