Advantech PPC-153 User Manual page 35

Now plug the pins separately into the holes of the male insulator. Pin 1
should go into the positive DC power input ( + ), pin 2 connects to the
frame ground ( G ), and pin 3 should be plugged into the negative DC
power input ( - ).
STEP 3
: Mount the front part of the male insulator onto the bottom tray.
STEP 4:
Use the metal plate and the two screws to secure the cables to the
bottom tray. Please refer to the illustration above.
Chapter 2 System Setup 1 9