BNC word clock synchronizes digital audio devices (mixers, converters, recorders) to the same sample clock. The 75-ohm BNC connection carries a square wave at the sample rate (44.1kHz, 48kHz, 96kHz, etc.).
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Center Pin | Word clock square wave signal | BUS |
| 2 | Outer Shell | Ground / shield / return | GND |