
Differential mode pin out
Table 21. 32-channel  differential mode pin out
| Pin | Signal Name | Pin | Signal Name | 
| 1 | GND | 51 | GND | 
| 2 | CTR1 OUT | 52 | EXTERNAL INTERRUPT | 
| 3 | CTR1 CLK | 53 | A/D EXTERNAL PACER | 
| 4 | CTR1 GATE | 54 | A/D STOP TRIGGER IN | 
| 5 | DOUT3 | 55 | A/D START TRIGGER IN | 
| 6 | DOUT2 | 56 | ANALOG TRIGGER IN | 
| 7 | DOUT1 | 57 | A/D PACER GATE | 
| 8 | DOUT0 | 58 | A/D PACER OUT | 
| 9 | DIN3 | 59 | SSH OUT / D/A PACER OUT | 
| 10 | DIN2 | 60 | EXTERNAL D/A TRIGGER/PACER GATE | 
| 11 | DIN1 | 61 | D/A EXTERNAL PACER | 
| 12 | DIN0 | 62 | PC +5 V | 
| 13 | GND | 63 | D/A OUT 1 | 
| 14 | 64 | D/A GND 1 | |
| 15 | GND | 65 | D/A OUT 0 | 
| 16 | +12 V | 66 | D/A GND 0 | 
| 17 | CH31 IN LO | 67 | CH31 IN HI | 
| 18 | CH30 IN LO | 68 | CH30 IN HI | 
| 19 | CH29 IN LO | 69 | CH29 IN HI | 
| 20 | CH28 IN LO | 70 | CH28 IN HI | 
| 21 | CH27 IN LO | 71 | CH27 IN HI | 
| 22 | CH26 IN LO | 72 | CH26 IN HI | 
| 23 | CH25 IN LO | 73 | CH25 IN HI | 
| 24 | CH24 IN LO | 74 | CH24 IN HI | 
| 25 | CH23 IN LO | 75 | CH23 IN HI | 
| 26 | CH22 IN LO | 76 | CH22 IN HI | 
| 27 | CH21 IN LO | 77 | CH21 IN HI | 
| 28 | CH20 IN LO | 78 | CH20 IN HI | 
| 29 | CH19 IN LO | 79 | CH19 IN HI | 
| 30 | CH18 IN LO | 80 | CH18 IN HI | 
| 31 | CH17 IN LO | 81 | CH17 IN HI | 
| 32 | CH16 IN LO | 82 | CH16 IN HI | 
| 33 | LLGND | 83 | LLGND | 
| 34 | CH15 IN LO | 84 | CH15 IN HI | 
| 35 | CH14 IN LO | 85 | CH14 IN HI | 
| 36 | CH13 IN LO | 86 | CH13 IN HI | 
| 37 | CH12 IN LO | 87 | CH12 IN HI | 
| 38 | CH11 IN LO | 88 | CH11 IN HI | 
| 39 | CH10 IN LO | 89 | CH10 IN HI | 
| 40 | CH9 IN LO | 90 | CH9 IN HI | 
| 41 | CH8 IN LO | 91 | CH8 IN HI | 
| 42 | CH7 IN LO | 92 | CH7 IN HI | 
| 43 | CH6 IN LO | 93 | CH6 IN HI | 
| 44 | CH5 IN LO | 94 | CH5 IN HI | 
| 45 | CH4 IN LO | 95 | CH4 IN HI | 
| 46 | CH3 IN LO | 96 | CH3 IN HI | 
| 47 | CH2 IN LO | 97 | CH2 IN HI | 
| 48 | CH1 IN LO | 98 | CH1 IN HI | 
| 49 | CH0 IN LO | 99 | CH0 IN HI | 
| 50 | GND | 100 | LLGND |