NB100 Quick Start Guide 15
YML783 Rev1
ETSI: European Telecommunications Standards Institute.
Firmware: Software that has been temporarily or permanently loaded into
ROM.
Flash memory: A type of RAM that retains its information, even after powering-
down.
FTP: File Transfer Protocol. A TCP/IP standard protocol for transferring
files
Gateway: A communications device that connects two different networks.
Header: The beginning of a frame or cell that contains management and
addressing information.
Hop: One point-to-point transmission in a series required to transmit a
message between two hosts in a network.
Host: An addressable computer connected to a network.
Hub: A device that serves as the central location for attaching wires form
workstations.
H.323: The ITU (International Telecommunication Union) standard, which
defines how audio-visual conferencing data is sent across any packet
network.
ICMP: Internet Control Management Protocol. An Internet protocol that
allows for the generation of error messages, tests packets, and
information messages related to IP.
IEEE: Institute of Electrical and Electronics Engineers.
IP address: Internet Protocol address. The decimal-numeric, fixed-length address
assigned to an Internet host.
IRQ: Interrupt re-quest, a hardware interrupt on a PC.
ISP: Internet Service Provider. An organization that provides access to the
Internet.
Kbps: Literally it means Kilobits per second, but usually it is taken to mean
1,024 bits per second.
LAN: Local Area Network. A LAN is a data communications system that
lies within a limited spatial area, has a specific user group, and has a
specific topology.
LED: Light Emitting Diode. A light or status indicator.
MAC address: Media Access Control address. The unique fixed address of a piece
of hardware, normally set at the time of manufacture and used in
PAT protocols.
MAC: Medium Access Control, a protocol for determining which device
has access to the network at any one time.
