Agilent Technologies E2050-90003 manual Glossary 105

Models: E2050-90003

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Glossary

gateway

Hardware that permits a network connection between the LAN that your computer understands, and the instrument specific interface that your device understands.

instrument

A device that accepts commands and performs a test or measurement function.

interface

A connection and communication media between devices and controllers, including mechanical, electrical, and protocol connections.

LAN

Local Area Network. The E2050 LAN/GPIB Gateway can be used on either Ethertwist or ThinLAN networks. The Gateway can also be used on ThickLAN or fiber optic networks by purchasing the appropriate converter and MAU.

lock

A state that prohibits other users from accessing a resource, such as a device or interface.

logical unit

A logical unit is a number associated with an interface. In Agilent SICL, a logical unit uniquely identifies an interface. Each interface on the controller must have a unique logical unit.

server

Part of the client/server model used in distributed computing. The server is a computer system designated to act as a main servicer of requests from other client computer systems, such as I/O application requests, networking requests, and so forth.

SICL

The Agilent Standard Instrument Control Library, which is software used for I/O application programming.

SRQ

Service Request. An asynchronous request (an interrupt) from a remote device indicating that the device requires servicing.

symbolic name

A name corresponding to a single interface. This name uniquely identifies the interface on a controller or gateway. If there is more than

Glossary

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Agilent Technologies E2050-90003 manual Glossary 105