HP 3162 manual GL-5

Glossary

Internet	The worldwide internetwork, which predominantly uses the TCP/IP protocol.
internetwork	An interconnected collection of networks (also called an internet).
IP address	Internet Protocol address. The address assigned to an internet host.
ISO	International Standards Organization.
ITU	International Telecommunications Union. The telecommunications agency of the United
	Nations, established to provide standardized communications procedures and practices.
	Before March 1993 it was called CCITT.
kbps	Kilobits per second. One kilobit is usually taken to be 1,024 bits.
LAN	Local Area Network. A privately owned and administered data communications network
	limited to a small geographic area.
LBO	Line Build-Out. The amount of attenuation of the transmitted signal that is used to
	compensate for the length of wire between the transmitter and the receiver.
LCD	Liquid Crystal Display. Thin glass plates containing liquid crystal material. When voltage is
	applied, the amount of light able to pass through the glass plates is altered so that
	messages can be displayed.
LCP	Link Control Protocol.
LED	Light Emitting Diode. A light or status indicator that glows in response to the presence of a
	certain condition (e.g., an alarm).
link	The physical connection between one location and another used for data transmission.
link layer protocol	The protocol that regulates the communication between two network nodes.
link trap	A trap that identifies the condition of the communications interface (linkDown or linkUp
	traps).
LLB	Line LoopBack. A test in which the received signal on the network interface is looped back
	to the network without change.
LOF	Loss of Frame. Occurs when a DS1 terminal is unable to synchronize on the DS1 signal
	for some interval.
LOFC	Loss Of Frame Count. The number of LOFs declared.
loopback test	A test that verifies a device’s operation by connecting the device’s output to the device’s
	input.
LOS	Loss of Signal. The T1 line condition where there are no pulses.
LQR	Link Quality Reports.
MB	Megabyte or megabytes. A unit of memory measurement equal to approximately one
	million bytes (typically 1,048,576 bytes).
Mbps	Megabits per second. One megabit is 1,048,576 (10242) bits.
menu tree	The structure containing the menu hierarchy starting at a Top-Level menu and extending
	down to various device functions.
MIB	Management Information Base. A database of managed objects used by SNMP to provide
	network management information and device control.
MIB II	MIB Release 2. The current Internet-standard MIB, defined by RFC 1213.
module	A compact assembly functioning as a component in a larger system or unit.

3162-A2-GB20-40 August 2000 GL-5