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# tIOUSB40LinkStateTimeout

```
enum tIOUSB40LinkStateTimeout : unsigned int;
```

## Topics

### Enumeration Cases

[`kKeepAliveTimeout`](/documentation/USBDriverKit/tIOUSB40LinkStateTimeout/kKeepAliveTimeout)

[`kPortReadyTimeout`](/documentation/USBDriverKit/tIOUSB40LinkStateTimeout/kPortReadyTimeout)

---

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