ADLINK PCI-7442 - Manual (Page 28)

16 Hardware Information
Pin Definition
Pin Definition
IDI_n Isolated digital input channel n
COM1 common junction for input channel 0-7
COM2 common junction for input channel 8-15
COM3 common junction for input channel 16-23
COM4 common junction for input channel 24-31
COM5 common junction for input channel 32-39
COM6 common junction for input channel 40-47
COM7 common junction for input channel 48-55
COM8 common junction for input channel 56-63
N/C No Connect