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Heritage Series ADSL Bridge/ Router
ITU
International Telecommunication Union - United Nations specialized
agency for telecommunications
LAN
Local area network - A privately owned network that offers
high-speed communications channels to connect information
processing equipment in a limited geographic area. (usually within a
single campus or building).
LED
Light Emitting Diodes - Type of indicator lights on the panel of the
router.
MAC layer/address
Media Access Control layer/address defined by the IEEE 802.3
specification which defines media access including framing and error
detection. Part of the OSI reference model data link layer.
MIB
Management information base - A standardized structure for SNMP
management information.
NAT
Network Address Translation - A feature that allows communication
between the LAN connected to the Modem and the Internet using a
single IP address, instead of having a separate IP address for each
computer on the network.
NSP
Network Service Provider - Company from which you buy your
network services.
PAP
PPP Authentication Protocol - A method for ensuring secure network
access.
Ping
An echo message, available within the TCP/IP protocol suite, sent to
a remote node and returned; used to test the accessibility of the
remote node.
Port number
A number that identifies a TCP/IP-based service. Telnet, for example,
is identified with TCP port 23.
Protocol
A set of rules for communication, sometimes made up of several
smaller sets of rules also called protocols.
Appendix
A-11
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