| Chan | Cable | Description |
| 1 | | service channel (reserved) |
| 2 |  | IGH Oxford Instruments Gas Handling System (2 stop bits) |
| 3 |  | IPS Oxford Instruments Magnet Power Supply (2 stop bits) |
| 4 |  | Needle Valve Controller |
| 5 |  | ILM Oxford Instruments Level Meter (2 stop bits) |
| 6 | |
| 7 | |
| 8 |  | LakeShore 370 (7 bit, odd parity) |