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OXY5737A User’s Manual V1.1
www.perfectron.com
COM3: RS232 with 5V/12V selectable
PIN
DEFINITION
1
5VS
2
GND
3
COM3P9SEL
4
COM3_DTR-
5
COM3_CTS-
6
COM3_TXD
7
COM3_RTS-
8
COM3_RXD
9
COM3_DSR-
10
COM3_DCD-
JP7: COM3 +12V/+5V selection
Jumper Function description
Setting
1-2 COM3_RI
3-4 5VS
5-6 12V
COM4: RS232 with 5V/12V selectable
PIN DEFINITION
1
5VS
2
GND
3
COM4P9SEL
4
COM4_DTR-
5
COM4_CTS-
6
COM4_TXD
7
COM4_RTS-
8
COM4_RXD
9
COM4_DSR-
10
COM4_DCD-
24