---
title: kIOUSB30LinkStateSSInactiveQuietTimeout
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousb30linkstatetimeout/kiousb30linkstatessinactivequiettimeout
---

# kIOUSB30LinkStateSSInactiveQuietTimeout

The SuperSpeed inactive quiet timeout.

## Declaration

```occ
kIOUSB30LinkStateSSInactiveQuietTimeout = 12
```