3Com Baseline 2426-PWR Plus User Manual page 89

Full Duplex
A system that allows packets to be transmitted and
received at the same time and, in effect, doubles the
potential throughput of a link.
Half Duplex
A system that allows packets to be transmitted and
received, but not at the same time. Half duplex is not
supported for 1000 Mbps. Contrast with full duplex.
IEEE
Institute of Electrical and Electronics Engineers. This
American organization was founded in 1963 and sets
standards for computers and communications.
IEEE 802.1D
Specifies a general method for the operation of MAC
bridges, including the Spanning Tree Protocol.
IEEE 802.1Q
VLAN Tagging - Defines Ethernet frame tags which carry
VLAN information. It allows switches to assign
endstations to different virtual LANs, and defines a
standard way for VLANs to communicate across
switched networks.
IEEE 802.3ad
A standard that defines link aggregation. 802.3ad is
now incorporated into the relevant sections of the IEEE
Std. 802.3-2002.
IETF
Internet Engineering Task Force. An organization
responsible for providing engineering solutions for
TCP/IP networks. In the network management area, this
group is responsible for the development of the SNMP
protocol.
IP
Internet Protocol. IP is a layer 3 network protocol that
is the standard for sending data through a network. IP
is part of the TCP/IP set of protocols that describe the
routing of packets to addressed devices. An IP address
consists of 32 bits divided into two or three fields: a
network number and a host number or a network
number, a subnet number, and a host number.
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 periods
(full-stops), and is made up of a network section, an
optional subnet section and a host section.
ISP
Internet Service Provider. An ISP is a business that
provides connectivity to the Internet for individuals and
other businesses or organizations.
LAN
Local Area Network. A network of end stations (such
as PCs, printers, servers) and network devices (hubs and
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