Com Port Connector (Com3) - Cartft FleetPC-5-B User Manual

2.4 COM Port Connector (COM3)
Connector size 2 X 5 = 10 Pin
Connector type JST-2.0mm-M-180
Connector location COM3
Connector pin
definition
DB9 pin definition
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Pin Signal
1 COM3_DCD
3 COM3_TXD
5 GND
7 COM3_RTS
9 COM3_RI
Pin
RS232
1 COM3_DCD
2 COM3_RXD
3 COM3_TXD
4 COM3_DTR
2.0 Internal Connector Specification
Pin
2 COM3_RXD
4 COM3_DTR
6 COM3_DSR
8 COM3_CTS
10 GND
Signal
RS422
TXD- TXD-/RXD-
TXD+ TXD+/RXD+
RXD+ NC
RXD- NC
Signal
RS485
18
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