![]() What Information Does The Loopback Test Provide? A COM port loopback test occurs when an original signal has been initiated from a specific device and then returns to the same device which the signal originally emanated from (aka, the loopback). What Is A Loopback Test? A Loopback test involves transferring data back and forth from only one COM port. Use this file to reload the session at a later time to continue the working with it. You can also click “Save” on the main toolbar or use the CTRL+S keyboard shortcut.Ħ. Save a session by selecting “Session > Save session/Save session As” from the main menu. The new monitoring window is displayed containing the selected visualizers.ĥ. When you are finished setting the options, activate the new session by clicking the “Start monitoring” button.Ĥ. The checkboxes designated as “Start monitoring now” and “Start in new window” control how the new monitoring session is initiated.Ĭapture options: select the options you wish to monitor from among – Create/Close, Read/Write, and Device Control. Dump view displays all sent and received data transmitted through a serial line.Modbus view displays received and sent Modbus data (RTU and ASCII).Terminal view presents the received data in a text console of ASCII characters.Table view presents the recorded IRPs in table format.Line view displays detailed information about the requests that are sent on a specific serial line.The “New monitoring session” window will be displayed. You can also use the keyboard shortcut “CTRL+N” or click “New” on the main toolbar.ģ. Choose “Session > New session” from the main menu. Once the settings are in order you can begin a new testing session by following these steps.Ģ. Possible values for this parameter are Hardware (P), Xon/Xoff (X) and None. ![]()
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