Control module, main instrument unit
| Control module, main instrument unit | 
| Number of pins |  |  | 32 | 
| Power supply +30 | Pin no. | 1 | |
| Power supply +15 | Pin no. | 17 | |
| Signal ground | Pin no. | 3 | |
| I-bus | + | Pin no. | 19 | 
|  | - | Pin no. | 18 | 
| P-bus | + | Pin no. | 21 | 
|  | - | Pin no. | 20 | 

 
     
		