Mechatrolink-III is a Japanese motion control fieldbus by Yaskawa using standard RJ45 connectors for synchronous servo drive control with cycle times as low as 125 microseconds.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | TX+ | Transmit positive | BUS |
| 2 | TX- | Transmit negative | BUS |
| 3 | RX+ | Receive positive | BUS |
| 6 | RX- | Receive negative | BUS |