376 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
12 :COMPliance Commands
:COMPliance:USB:TEST:CONNection
(see page 1610)
Command Syntax
:COMPliance:USB:TEST:CONNection <connection>
<connection> ::= {SINGleended | DIFFerential}
When a Hi-Speed test has been selected, the
:COMPliance:USB:TEST:CONNection command specifies the test fixture
connection type:
• DIFFerential — specifies that a differential probe is used to probe the signal
under test.
In this case, use the :COMPliance:USB:SOURce:DIFFerential command to
specify the analog input channel connected to the differential probe.
• SINGleended — specifies that two single-ended SMA cables are used to probe
the signal under test.
In this case, use the :COMPliance:USB:SOURce:DPLus command to specify the
analog input channel that is probing the D+ signal, and use the
:COMPliance:USB:SOURce:DMINus command to specify the analog input
channel that is probing the D- signal.
Query Syntax
:COMPliance:USB:TEST:CONNection?
The :COMPliance:USB:TEST:CONNection? query returns the specified the test
fixture connection type.
Return Format
<connection><NL>
<connection> ::= {SING | DIFF}
See Also • ":COMPliance:USB:SOURce:DIFFerential" on page 372
• ":COMPliance:USB:SOURce:DPLus" on page 374
• ":COMPliance:USB:SOURce:DMINus" on page 373
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