Serial Port 1 Connector (Com1); Serial Port 2 Connector (Com2) - Avalue Technology HID-2334 User Manual

HID-2334 User Manual

4.4.21 Serial port 1 connector (COM1)

4.4.22 Serial port 2 connector (COM2)

HID-2334 Quick Reference Guide
Signal PIN PIN
COM_DCD#_1
1
_485_422TX1-
COM_TXD_1 3
GND 5
COM_RTS#_1 7
COM_RI#_1 9
Signal PIN PIN
COM_DCD#_2
1
_485_422TX2-
COM_TXD_2 3
GND 5
COM_RTS#_2 7
COM_RI#_2 9
Signal
COM_RXD#_1
2
_422RX1+
4 COM_DTR#_1
COM_DSR#_1
6
_485_422TX1+
COM_CTS#_1
8
_422RX1-
10 NC
Signal
COM_RXD#_2
2
_422RX2+
4 COM_DTR#_2
COM_DSR#_2
6
_485_422TX2+
COM_CTS#_2
8
_422RX2-
10 NC
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