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Connectors and signals
This section contains information on the following UCC AI ports:

| Key | Description | Key | Description |
|---|---|---|---|
| 1 | Scale 0 interface (15W HDD socket) | 7 | PICS (9W D socket) |
| 2 | Scale 1 interface (15W HDD socket) | 8 | UCC - SPA (RJ45 socket) |
| 3 | Scale 2 interface (15W HDD socket) | 9 | MCU (9W D plug) |
| 4 | Scale 3 interface (15W HDD socket) | 10 | Servo power amplifier / E-STOP (25W D socket) |
| 5 | Machine I/O (44W HDD socket) | 11 | Earth terminal |
| 6 | RS232 (9W D plug) | 12 | UCC AI power jack (6.3 mm socket) |