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User’s Manual
ECM-3612 User’s Manual
29
2.3.5 Serial Port 3 / Port 4 Connector in RS-232 Mode (CM1, CM3)
Signal PIN PIN Signal
DCD 1 2 RxD
TxD 3 4 DTR
GND 5 6 DSR
RTS 7 8 CTS
RI 9 10 NC
2.3.6 Serial Port 1 Connector in RS-232 Mode (CM2)
Signal PIN PIN Signal
DCD 1
6 DSR
RxD 2
7 RTS
TxD 3
8 CTS
DTR 4
9 RI
GND 5
CM1
CM3