
Appendix A: Cabling and Connector Information
Input Connector Pin Assignments
Connections are made to the 
| Pin | Name | Function | 
| 1 | +VS | +12VDC Power from the Computer Bus | 
| 2 | unused | 
 | 
| 3 | G0 | LSB of programmable gain control | 
| 4 | unused | 
 | 
| 5 | G1 | Bit 1 of programmable gain control | 
| 6 | G2 | MSB of programmable gain control | 
| 7 | A0 | LSB  | 
| 8 | A1 | Bit 1  | 
| 9 | A2 | Bit 2  | 
| 10 | A3 | MSB  | 
| 11 | PWR GND | Power (Digital) ground | 
| 12 | unused | 
 | 
| 13 | unused | 
 | 
| 14 | unused | 
 | 
| 15 | unused | 
 | 
| 16 | unused | 
 | 
| 17 | unused | 
 | 
| 18 | L.L. GND | Low Level (Analog) Ground | 
| 19 | VREF | +10.0VDC A/D reference from A/D card | 
| 20 | ||
| 21 | unused | 
 | 
| 22 | unused | 
 | 
| 23 | unused | 
 | 
| 24 | unused | 
 | 
| 25 | unused | 
 | 
| 26 | unused | 
 | 
| 27 | unused | 
 | 
| 28 | REF GND | A/D Reference Return | 
| 29 | +5VDC | +5VDC Power from the Computer Bus | 
| 30 | CH7 IN | Chl 7 Analog Output | 
| 31 | CH6 IN | Chl 6 Analog Output | 
| 32 | CH5 IN | Chl 5 Analog Output | 
| 33 | CH4 IN | Chl 4 Analog Output | 
| Manual  | Page  | 
