Specifications

138 Glossary
Switch Path
A connection between nodes needed to make a test. For example, a switch path might connect the output
from a power supply to a pin on the unit under test.
Example: (FuncGen-SrcBus-Dvm-MeasBus)
In the example, the source bus of the function generator is connected to the measurement bus of the
digital voltmeter when the switch path is closed.
Switching Configuration Editor
A software tool used to define topology.
Switching Setup
A special kind of setup action that sets up connections, such as switch paths made with relays, at the
beginning of a test and controls the status of those connections when the test ends.
Unlike other kinds of actions, you do not use the Action Definition Editor to create switching setups.
Switching Voltage
The nominal voltage differential across a relay's contacts at which it can be switched. The switching
voltage is typically much less than the standoff voltage.
Symbol Table
A named group of symbols or parameters whose usage has a specific scope. For example:
• The symbol table named TestPlanGlobals contains symbols whose scope is global to the
test plan. Thus, variables defined in it can be used to pass values between tests because
the variables are visible throughout the test plan.
• The symbol table named TestStepLocals contains symbols whose scope is limited to that
test.
• The symbol table named “hwconfig” contains symbols associated with the hardware
defined for use with the Test Executive.
• The symbol table named “system” contains symbols associated with the testing environ-
ment, such as the user id, test system id, and serial number of the DUT.
T
Test Group
A named sequence of tests that has an associated list of one or more setup actions that must be executed
before any of the tests in the group. A test group is bounded by “testgroup <name>” and “end testgroup”
statements inside a test plan. Test groups can be nested inside test groups.
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