Zhone 6212-a2 ユーザーズマニュアル

6212-A2-GB20-00 May 2004 95

ICMP:

Internet Control Management Protocol. An Internet protocol that

allows for the generation of error messages, tests packets, and information
messages related to IP.

IDSL:

A form of ISDN DSL using 2B1Q line code.

IEEE:

Institute of Electrical and Electronics Engineers.

IEEE:

The Institute of Electrical and Electronics Engineers.

ILMI:

Interim Local Management Interface. Provides ATM layer management

between a switch and a client device.

IP address:

Internet Protocol address. The decimal-numeric, fixed-length

address assigned to an Internet host.

IP multicast:

A technique that allows packets to be simultaneously

transmitted over the Internet to a multiple destinations.

IPOA:

IP over ATM.

IRQ:

Interrupt re-quest, a hardware interrupt on a PC.

ISO:

International Standards Organization.

ISP:

Internet Service Provider. An organization that provides access to the

Internet.

ITU:

International Telecommunications Union. The telecommunications

agency of the United Nations.

kbps:

KiloBits Per Second. A kilobit is usually taken to be 1,000 bits when

speaking of data rates.

LAN:

Local Area Network. A LAN is a A data communications system that lies

within a limited spatial area, has a specific user group, and has a specific

topology.

latency:

The time it takes a signal to transmit from its source to its

destination.

LED:

Light Emitting Diode. A light or status indicator.

LOC:

Loss of Cell delineation. A situation where receiving equipment is unable

to identify the boundaries of a cell.

local analog loopback:

A test in which the modem’s VF signal is looped

to its receiver.

local loop:

An ordinary telephone line.