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COM 5 and COM 6 can be used as RS232 or RS485 by sw config, and when users
set it as RS485, they can select the impedance on/off using J1. Otherwise EPC-
R4710 supports 12/5V @0.5A power supply via COM 5 and COM 6. Power levels
can be selected using J3.
COM5:
Pin
Description
1
COM5_DCD
2
COM5_RXD
3
COM5_TXD
4
NC
9
NC
COM6:
Pin
Description
1
COM6_DCD
2
COM6_RXD
3
COM6_TXD
4
NC
9
NC
EPC-R4710 User Manual
Pin
Description
5
GND
6
NC
7
COM5_RTS
8
COM5_CTS
Pin
Description
5
GND
6
NC
7
COM6_RTS
8
COM6_CTS
10
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