- OMEGA Engineering, Inc. Adapter User's Guide

Technical
OMG-USB-DIO48 Page 6
50 pin ribbon cable pin out
Each of the two 50 pin ribbon cable headers has the following pin out as shown
in Figure 4.
Description Pin #
Port A
A0 47
A1 45
A2 43
A3 41
A4 39
A5 37
A6 35
A7 33
Port B
B0 31
B1 29
B2 27
B3 25
B4 23
B5 21
B6 19
B7 17
Port C
C0 15
C1 13
C2 11
C3 9
C4 7
C5 5
C6 3
C7 1
GND All Even pins
+5V 49
Figure 4- 50 Pin Header/Ribbon Cable Pin out