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2.2
COM Port Connector (COM1)
Connector size
2 X 5 = 10 Pin
Connector type
JST-2.0mm-M-180
Connector location
COM1
Connector pin
definition
DB9 pin definition
User's Manual
All manuals and user guides at all-guides.com
Pin
Signal
1
COM1_DCD
3
COM1_TXD
5
GND
7
COM1_RTS
9
COM1_RI
Pin
RS232
1
COM1_DCD
2
COM1_RXD
3
COM1_TXD
4
COM1_DTR
5
GND
6
COM1_DSR
7
COM1_RTS
8
COM1_CTS
9
COM1_RI
2.0 Internal Connector Specification
Pin
2
COM1_RXD
4
COM1_DTR
6
COM1_DSR
8
COM1_CTS
10
GND
Signal
RS422
TXD-
TXD-/RXD-
TXD+
TXD+/RXD+
RXD+
NC
RXD-
NC
GND
GND
NC
NC
NC
NC
NC
NC
NC
NC
Signal
RS485
16
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