Measurement Computing DAQ boards use a DB37 D-sub connector providing analog inputs, analog outputs, digital I/O, and counter/timer connections for USB and PCIe data acquisition devices.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | CH0 | Analog input channel 0 | ADC |
| 2 | CH1 | Analog input channel 1 | ADC |
| 3 | CH2 | Analog input channel 2 | ADC |
| 4 | CH3 | Analog input channel 3 | ADC |
| 19 | AGND | Analog ground | GND |
| 20 | AO0 | Analog output 0 | ADC |
| 21 | AO1 | Analog output 1 | ADC |
| 22 | DGND | Digital ground | GND |
| 23 | D0 | Digital port 0 bit 0 | I/O |
| 24 | D1 | Digital port 0 bit 1 | I/O |
| 37 | +5V | 5V digital supply | PWR |