| Chan | Cable | Description |
| 1 | | service channel (reserved) |
| 2 |  | PSI motor controller EL734 |
| 3 | |
| 4 |  | PSI counter box EL737 |
| 5 | |
| 6 | |
| 7 |  | LakeShore 340 |
| 8 | |
| 9 | | ? |
| 10 |  | LakeShore 370 (7 bit, odd parity) |
| 11 |  | Needle Valve Controller |
| 12 | |
| 13 |  | IGH Oxford Instruments Gas Handling System (2 stop bits) |
| 14 |  | ILM Oxford Instruments Level Meter (2 stop bits) |
| 15 |  | IPS Oxford Instruments Magnet Power Supply (2 stop bits) |
| 16 |  | histogram memory |