Figure 5 Connecting Usb Mouse & Keyboard; Figure 6 Com Port - Quanmax QDSP-2080 User Manual

Connecting USB mouse & keyboard
Your QDSP-2080 does not come with a keyboard and mouse, but you can use any
USB keyboard or mouse with your computer.
Using a third-party USB mouse or keyboard may require software drivers.
Check the manufacturer's website for the latest software drivers.

COM port
COM port with the pin definitions.
COM
6xUSB 3.0
Figure 5 Connecting USB mouse & keyboard
NOTE
Pin RS-232
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI / +5V*

Figure 6 COM port

Half Duplex
RS-422
RS-485
TX- DATA-
RX+ NA
TX+ DATA+
RX- NA
GND GND
NA NA
NA NA
NA NA
NA / +5V* NA / +5V*
Chapter 2
Full Duplex
RS-485
TX-
RX+
TX+
RX-
GND
NA
NA
NA
NA / +5V*