A: Power Supply Connector (Output 24VDC, 3pin)
B: Host Interface Connector (D-SUB 25pin, Female)
C: Power Supply Connector (Input 24VDC, 2pin)
D: Display Connector
E: Printer Interface Connector (D-SUB 9pin, Male)
F: Power Supply Connector (Input 24VDC, 3pin)