Wavetek ANT-20, Руководство по эксплуатации

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ANT-20/ANT-20E Broadband Analyzer/Generator
Operation O-7
2 ATM Test Results
2.1 Introduction
Task
The “ATM Test Results” VI is used to display the results of measurements performed using the
“ATM Test Control” VI. The results windows are configured depending on the active “Test type”
set in the “ATM Test Control” VI. The following results windows may appear in the workspace of
the “ATM Test Results” main window:
•
“Receiver Status” window; this gives an overview of the overall receiver status.
•
“Quality of Service” window; this displays the ITU-T O.191 QoS performance parameters.
The results from a maximum of four test channels are displayed: Cell Error Ratio, Cell Loss
Ratio, Cell Misinsertion Rate, Mean Cell Transfer Delay, etc.
•
“Signaling Analysis” window; this displays the results of signaling analysis.
Requirements
✓
The “ATM Test Results” VI is primarily intended for use with the “ATM Test Control” VI.
Restrictions
The following virtual instruments cannot be used within a single application at the same time as
the “ATM Test Results” VI: “ATM Signal Structure”, “ATM Background Generator” and “ATM
Traffic Analyzer”.
Tip: Detailed analysis of the physical layer is performed using the “Anomaly/Defect Analyzer”
VI which can be used at the same time as the “ATM Test Results” VI.
2.2 “ATM Test Results” main window layout and commands
The “ATM Test Results” main window appears after the VI is loaded. The display area contains
separate windows for the receiver status, QoS results and signaling analysis.
The commands for selecting and arranging the results windows and for outputting data are
found in the menu bar. The main commands are also available as icon buttons in the toolbar.
The “ATM Test Results” main window essentially consists of
•
the menu bar and pull-down menus,
•
the toolbar and
•
the workspace with results window.