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RS232 (Default):
RS422 (option):
RS485 (option):
23. JP2:
(2.0mm Pitch 2x3 Pin Header),COM2 jumper setting, pin 1~6 are used to select signal out of pin 9
of COM2 port.
Pin#
1
DCD# (Data Carrier Detect)
2
RXD (Received Data)
3
TXD (Transmit Data)
4
DTR (Data Terminal Ready)
5
Ground
6
DSR (Data Set Ready)
7
RTS (Request To Send)
8
CTS (Clear To Send)
9
JP1 select Setting
Pin#
1
422_R-
2
422_R+
3
422_T-
4
422_T+
5
Ground
6
NC
7
NC
8
NC
9
NC
Pin#
1
NC
2
NC
3
485-
4
485+
5
Ground
6
NC
7
NC
8
NC
9
NC
Signal Name
(RI/5V/12V)
Signal Name
Signal Name
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