Nortel Remote Gateway 9110 Installation And Administration Manual page 292

Glossary
hub
A common connection point for all 10BaseT cables connected to a small
network. A hub enables data to go from one device to another.
I
icon
A small picture that represents an object or program in a graphical user interface.
IDE
Commonly used to describe the AT attachment design, the dominant hard disk
interface. IDE is a cost-effective interface technology for mass storage devices
that the controller is integrated into the disk or CD-ROM drive in.
idle timer
Identifies the maximum length of time that an ISDN connection should remain
idle before it can be closed. Idle means that a voice connection does not exist,
and buttons are not being pressed on the digital telephone.
Industry Standard Architecture
A 16-bit standard interface for add-in cards.
Input/Output
Refers to any operation, program, or device that enters data into a computer or
extracts data from a computer.
Integrated Services Digital Network
A worldwide digital communication protocol that permits telephone networks to
carry data, voice, and other source material. There are two kinds of ISDN
lines—Primary Rate Interface (PRI) and Basic Rate Interface (BRI). Refer also
to BRI.
Internet Protocol
The protocol within TCP/IP that governs the breakup of data messages into
packets, the routing of the packets from sender to destination network, and the
reassembly of the packets into the original data messages at the destination.
I/O
Refer to Input/Output.
268 Remote Gateway 911x Series Installation and Administration Guide
Standard 3.0