Advantech SOM-DB2500 User Manual page 21

GND
P2 GND
P9 GND
P12 GND
P12 GND
P15 GND
P18 GND
P32 GND
P38 GND
P47 GND
P50 GND
P53 GND
P59 GND
P68 GND
P79 GND
P82 GND
P85 GND
P88 GND
P91 GND
P94 GND
P97 GND
P100 GND
P103 GND
P120 GND
P133 GND
P142 GND
S3 GND
S10 GND
S13 GND
S16 GND
S25 GND
S34 GND
S47 GND
S61 GND
S64 GND
S67 GND
S70 GND
S73 GND
S80 GND
S83 GND
S86 GND
S89 GND
S92 GND
S101 GND
S110 GND
S119 GND
S124 GND
S130 GND
S136 GND
S143 GND
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SOM-DB2500 User Manual