COM port
COM port with the pin definitions.
Connecting to a network device
Connect one end of a network cable to the LAN port on the system rear panel
and the other end to a hub or switch.
QDSP-2060 User's Manual
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
Figure 7 Network cable with RJ45 connector
Half Duplex
RS-422
RS-485
TX-
DATA-
RX+
TX+
DATA+
RX-
GND
GND
NA
NA
NA
NA / +5V*
NA / +5V*
RJ 45
22
Chapter 2
Full Duplex
RS-485
TX-
NA
RX+
TX+
NA
RX-
GND
NA
NA
NA
NA
NA
NA
NA / +5V*
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