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13
NEX 913C User Manual
Chapter 2: Jumpers and Connectors
Pin
Settings
JP20: 1-2 On
RS232
JP12: 3-5 On, 4-6 On
JP21: 3-5 On, 4-6 On
1-2 On, 3-5 On, 4-6 On: default
COM3 RS232 Selection (Default)
Connector type: 2x3 6-pin header, 2.54mm pitch
Connector location: JP20, JP12 and JP21
1-2 On
(Default)
3-5 On
(Default)
4-6 On
(Default)
1
5
2
6
1
5
2
6
1
5
2
6
1
5
2
6
Pin
Settings
JP20: 3-4 On
COM3: RS422
(COM3_DTR#: RS422_RX-
COM3_TXD: R
COM3_PIN8: RS422_TX-
COM3_RXD: R)
JP12: 1-3 On, 2-4 On
JP21: 1-3 On, 2-4 On
COM3 RS422 Selection
Connector type: 2x3 6-pin header, 2.54mm pitch
Connector location: JP20, JP12 and JP21
3-4 On
1-3 On
2-4 On
1
5
2
6
1
5
2
6