2.3 COM Port Connector (COM)
Connector pin
COM 1,2,3,4
Pin
Signal
Pin
Signal
1
COM1,2,3,4_DCD
(COM1,2_RS-
485_TXD-/RXD-)
2
COM1,2,3,4_RXD
(Com1,2_RS-
/RXD+)
3
COM_TXD
4
COM_DTR
5
GND
6
COM_DSR
7
COM_RTS
8
COM_CTS
9
COM_RI#
2.4 Power Input Connector
PWRIN1
Connector definition
Pin
Signal
1
GND
2
VIN (9-32V)
3
IGNITION
Power Brick 5.0 Power Wiring
Diagram
5