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DI-624M User’s Manual
D-Link Systems, Inc.
Appendix
N
NAT – Network Address Translation allows many private IP addresses to connect to the Internet, or another
network, through one IP address
NetBEUI – NetBIOS Extended User Interface is a Local Area Network communication protocol. This is an
updated version of NetBIOS
NetBIOS – Network Basic Input/Output System
Netmask – Determines what portion of an IP address designates the Network and which part designates the
Host
NetWare – A Server Software developed by Novell
Network Interface Card – A card installed in a computer or built onto the motherboard that allows the
computer to connect to a network
Network later – The third layer of the OSI model which handles the routing of traffic on a network
Network Time Protocol – Used to synchronize the time of all the computers in a network
NIC – Network Interface Card
NTP – Network Time Protocol
O
OFDM – Orthogonal Frequency-Division Multiplexing is the modulation technique for both 802.11a and
802.11g
OSI – Open Systems Interconnection is the reference model for how data should travel between two devices
on a network
OSPF – Open Shortest Path First is a routing protocol that is used more than RIP in larger scale networks
because only changes to the routing table are sent to all the other routers in the network as opposed to
sending the entire routing table at a regular interval, which is how RIP functions
P
Password - A sequence of characters that is used to authenticate requests to resources on a network
Personal Area Network – The interconnection of networking devices within a range of 10 meters
Physical layer – The first layer of the OSI model. Provides the hardware means of transmitting electrical
signals on a data carrier
PoE – Power over Ethernet is the means of transmitting electricity over the unused pairs in a category 5
Ethernet cable
POP 3 – Post Office Protocol 3 is used for receiving email
PPP – Point-to-Point Protocol is used for two computers to communicate with each over a serial interface, like
a phone line
PPPoE – Point-to-Point Protocol over Ethernet is used to connect multiple computers to a remote server over
Ethernet
PPTP – Point-to-Point Tunneling Protocol is used for creating VPN tunnels over the Internet between two
networks
Preamble – Used to synchronize communication timing between devices on a network