Specifications

Glossary 133
provide a two level card ID; card type, and load configuration ID.
Load Switching
A load that can be switched in or out of a power supply circuit on command.
M
MAC Panel
Mass interconnect panel marketed by Agilent.
Mass Interconnect
The main connection panel for connecting the test system to the test fixture. The mass interconnect
consists of an ICA (Interface Connector Assembly), on the system side, and an ITA (Interface Test
Assembly) on the test fixture side.
Matrix
A relay switch configuration that allows any column to connect to any row, and also allows multiple
columns to be connected to multiple rows simultaneously. Contrast to Multiplex.
Master Keyword
Master keywords are keywords stored on a predefined list in the Action Definition Editor's initialization
file. Keywords on the master keyword list are listed below the new keyword box in the Keywords portion
of the Action Definition window. You can add a master keyword to any action.
MCM (Measurement Control Module)
A VXIbus card specifically designed to multiplex the measurement lines and the measuring devices
available. Up to 16 signals can be multiplexed to the 4-wire interconnection column ABus and DUT
Common. It provides an isolated V/I programmable voltage and current source, bidirectional trigger
multiplexing, and several other supporting functions.
Module
A hardware resource in the system. As used in this manual, specifically a VXIbus-compatible module
instrument.
MOV
Metal Oxide Varistor - An electronic component whose characteristic resistance changes dramatically
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