---
title: kIOUSB30HubExtStatusTxLaneCount
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousb30hubextstatus/kiousb30hubextstatustxlanecount
---

# kIOUSB30HubExtStatusTxLaneCount

The transmit lane count.

## Declaration

```occ
kIOUSB30HubExtStatusTxLaneCount = IOUSBBitRange(12, 15)
```