Motorola SVG2500 manual Mpdu, Msdu, Mso, Mtu, Term Definition NAS, Nat, Napt, Nec

17 GLOSSARY
TERM	DEFINITION
MHz	Megahertz — one million cycles per second. A measure of
	radio frequency.
MPDU	MAC protocol data unit (PDU)
MSDU	MAC service data unit.
MSO	Multiple Systems Operator. A company that owns and operates
	more than one cable system. Also called a group operator.
MTU	The Maximum Transmission Unit is the largest amount of data
	that can be transmitted in one discrete message on a given
	physical network. The MTU places an upper limit on the size
	of a message that can be transferred by the network in a single
	frame. Messages exceeding the MTU must be fragmented
	before transmission and reassembled at the destination.
Multicast	A data transmission sent from one sender to multiple
	receivers. See also broadcast and unicast.
mW	milliwatts
N

TERM	DEFINITION
NAS	Network access server
NAT	Network Address Translation is an Internet standard for a LAN to
	use one set of IP addresses for internal traffic and a second set
	of IP addresses for external traffic.
NAPT	Network Address Port Translation is the most common form of
	address translation between public and private IP addresses.
	NAPT maps one public IP address to many private IP
	addresses. If NAPT is enabled on the Basic Setup Page, one
	public IP address is mapped to an individual private IP
	address for up to 245 LAN clients.
NEC	National Electrical Code (United States) — The regulations
	for construction and installation of electrical wiring and
	apparatus, suitable for mandatory application by a wide range of
	state and local authorities.
network	Two or more computers connected to communicate with each
	other. Networks have traditionally been connected using some
	kind of wiring.
network driver	Software packaged with a NIC that enables the computer to
	communicate with the NIC.
network layer	Layer 3 in the OSI architecture that provides services to
	establish a path between open systems. The network layer
	knows the address of the neighboring nodes, packages output
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