JCM Part No . 960 - 000053R _ Rev . 6 © 2007, JCM - American Corporation 2 - 2 Section 2 AD - 02™ Retrievable Bill Validator Installation/Operation Table 2 - 1 illustrates the pin designations for the 6 - Pin Molex Power Input Connector . Table 2 - 2 illustrates the pin designations for the 9 - Pin “D” Communications Connector .   Operation 1 . Apply power to the machine and verify that the circuit board mounted 7 - Segment LED Display, located to the right of the three (3) Status LED Indicators is illuminated (ON) ( See Figure 2 - 5), and that all of the Front Panel Indicator LEDs are extinguished (OFF) .   If the JAM LED is LIT, remove power, examine all bill paths for a bill jam and remove it .   If either of the other LED indicators are ON, either fill or empty the unit as necessary to extinguish the LED indicator . 2 . When the Entry Slot Green LEDs are ON, the machine is ready for loading bills ( See Figure 2 - 6) . When the Entry Slot LEDs are OFF the machine is in the process of loading bills . 3 . When the Dispensing Slot LEDs are blink - ing, a residual bill is in the Dispensing Slot (this is to remind the user to remove the ejected bills ( See Figure 2 - 7) . 4 . When the Dispensing Slot LEDs are OFF    no bill is in the Dispensing Slot opening . Table 2 - 1   6 - Pin Molex Power Input Port Power Input Port Pin No . Signal Remarks 1 +24 V DC \ Power Supply Input 2 +24 V DC 3 PSU Ground 4 PSU Ground 5 FG Frame Ground 6 NC Unused Table 2 - 2   9 - Pin D Communications Port Communications Port Pin No . Signal Direction Remarks Host     Machine 1 NC Unused 2 R D Receive Data 3 S D Send Data 4 NC Unused 5 SG Signal Ground 6 NC Unused 7 NC Unused 8 NC Unused 9 NC Unused 9 - Pin “D” Communications Interface Chassis Ground M4 6 - Pin Molex Power Input Port Screw Hole Figure 2 - 4 Rear Panel Connection Panel Machine Side: ELR - 06V (JST) Connection Side: ELP - 06V (JST) Machine Side: JEC - 9C (JST) Connection Side: JEC - 9C (JST) or equivalent Figure 2 - 5 Front Panel Indicators NOTE: The use of Test Switches SW1, SW2 and SW3 are detail explained in the “Test Mode Initialization” portion of Section 6 . Figure 2 - 6 Entry Slot LED Indicators Entry Slot LEDs Bill Entry Slot