Altium NEXUS Documentation

WorkspaceManager_Err-DifferentialPairUnproperlyConnectedtoDeviceDifferential Pair Unproperly Connected to Device_AD

Created: August 3, 2021 | Updated: August 3, 2021
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Parent category: Violations Associated with Nets

Default report mode: 

Summary

This violation appears when a differential pair net is not properly connected to a differential pair pin of a physical device.

Notification

If compiler errors and warnings are enabled for display on the schematic (enabled on the Schematic - Compiler page of the Preferences dialog), an offending object will display a colored squiggle beneath it. Hovering over the object will display a pop-up hint that summarizes the violation. A notification is also displayed in the Messages panel in the following format:

Misconnected differential pair <PairName>: net <NetName> should be connected to pin <PinDesignator>

where:

  • PairName is the name of the differential pair (e.g., V_TX1)
  • NetName is the name of the positive or negative polarity net in the pair (e.g., V_TX1_N or V_TX1_P)
  • PinDesignator is the designator of the device pin to which the offending net should be connecting (e.g., E6)

Recommendation for Resolution

This type of violation typically arises when the wire object for the differential pair net is not making electrical connection with the target pin of the device. Use the Details region of the Messages panel to quickly cross probe to the device pin and ensure proper connection between the wire of the net and the pin itself.

Tip

  • Object hints will only appear provided the Enable Connectivity Insight option is enabled on the System - Design Insight page of the Preferences dialog. Use the controls associated with the Object Hints entry in the Connectivity Insight Options region of the page to determine the launch style for such hints (Mouse Hover and/or Alt+Double Click). 
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