| CAUTION The power supply lines on connector II are intended for use by the USB service cable and the MI70 hand-held indicator. Do not connect other power supplies to connector II. |
| Pin | Connector I | Connector II | Wire color |
|---|---|---|---|
| 1 | VDC supply+ | VDC supply+ | Brown |
| 2 | Not connected | RS-485 D0- | White |
| 3 | GND | GND | Blue |
| 4 | Not connected | RS-485 D1+ | Black |
