---
title: kUSBInformationDevicePortIsInTestModeBit
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.6+]
path: iokit/usbdeviceinformationbits/kusbinformationdeviceportisintestmodebit
---

# kUSBInformationDevicePortIsInTestModeBit

## Declaration

```occ
kUSBInformationDevicePortIsInTestModeBit = 8
```

## Discussion

Discussion The hub port to which the USB device is attached is in test mode