Figure 6 Com Ports - Quanmax UbiQ-100 User Manual

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COM Ports
COM ports with the pin definitions.
COM1 & COM2 RS-232/422/485 Port D-SUB 9P
UbiQ-100 Series User's Manual
COM
Pin RS-232
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI

Figure 6 COM ports

20
RS-422 Half Duplex
RS-485
TX- DATA-
TX+ DATA+
RX+ N/A
RX- N/A
GND GND
N/A N/A
N/A N/A
N/A N/A
RI N/A
Chapter 2
Full Duplex
RS-485
TX-
TX+
RX+
RX-
GND
N/A
N/A
N/A
N/A