Valve Index VR headset uses a proprietary tethered cable with combined DisplayPort 1.2, USB 3.0, power, and audio in a single cable assembly connecting the headset to the PC link box.
| Pin | Name | Function | Type |
|---|---|---|---|
| DP_TX+ | DP TX+ | DisplayPort 1.2 TX positive | BUS |
| DP_TX- | DP TX- | DisplayPort 1.2 TX negative | BUS |
| USB3_TX+ | USB3 TX+ | USB 3.0 SuperSpeed TX | BUS |
| USB3_TX- | USB3 TX- | USB 3.0 SuperSpeed TX negative | BUS |
| PWR | Power | DC power supply | PWR |
| GND | GND | Ground | GND |
| AUD | Audio | Headphone audio signal | ADC |
Valve Index VR headset uses a proprietary tethered cable with combined DisplayPort 1.2, USB 3.0, power, and audio in a single cable assembly connecting the headset to the PC link box.