Chapter 2
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.
Figure 5
Connecting USB mouse & keyboard
NOTE
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.
Pin
RS-232
RS-422
Half Duplex
RS-485
Full Duplex
RS-485
1 DCD
TX- DATA- TX-
2 RXD
RX+
NA
RX+
3 TXD TX+ DATA+ TX+
4 DTR RX- NA RX-
5 GND
GND
GND
GND
6 DSR NA NA NA
7 RTS NA NA NA
8 CTS NA NA NA
9
RI / +5V*
NA / +5V*
NA / +5V*
NA / +5V*
Figure 6 COM port
6xUSB 3.0
COM
