ADLINK PCI-7442 - Manual (Page 34)

22 Hardware Information
Pin Definition
Pin Definition
IDO_n Isolated digital output channel n
VDD9 common VDD junction for input channel 64-71
VDD10 common VDD junction for input channel 72-79
VDD11 common VDD junction for input channel 80-87
VDD12 common VDD junction for input channel 88-95
VDD13 common VDD junction for input channel 96-103
VDD14 common VDD junction for input channel 104-111
VDD15 common VDD junction for input channel 112-119
VDD16 common VDD junction for input channel 120-127
IGND Ground return path for isolated output channels
V5V Onboard un-regulated 5V power supply output
N/C No Connect