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USB Hub Selective Suspend Test

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This test verifies that a USB 3.0 hub reports the port status bits correctly (as described in the USB 3.0 Specification) and that the USB hub supports suspend operations. The test also verifies that downstream devices do not fall off the bus when the hub resumes from the selective suspend state.

Note  

For more information, see the USB 3.0 Specification.

 

Test details

Associated requirements

Device.Connectivity.UsbHub.SupportSuspend Device.Connectivity.UsbHub.Usb3ReportPortStatusBitsCorrectly

See the device hardware requirements.

Platforms

Windows RT (ARM-based) Windows 8 (x64) Windows 8 (x86) Windows Server 2012 (x64) Windows RT 8.1 Windows 8.1 x64 Windows 8.1 x86 Windows Server 2012 R2

Expected run time

~6 minutes

Categories

Certification Functional

Type

Manual

 

Running the test

Before you run the test, complete the test setup as described in the test requirements: USB Device.Connectivity Testing Prerequisites.

In addition, this test requires:

  • A USB 3.0 device or USB 2.0 device, depending on the speed of the device under test.

Before scheduling the test, plug the secondary device into a downstream exposed connector of the USB hub under test.

Troubleshooting

For troubleshooting information, see Troubleshooting Device.Connectivity Testing.

 

 

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