System Layout
25
RQX-58x Series
3.1.10
COM Port Connectors
The RQX-58x Series provides two COM ports through D-sub 9-pin
connectors. COM1 support RS-232/485 (software configurable)
and COM2 supports RS-232.
Figure 3-5: COM Port D-Sub 9-pin
Table 3-9: COM Port D-Sub 9-pin RS-232/485 Pin Definitions
To change the mode for your device, open the terminal interface in
Ubuntu and use the command:
/sys/class/sp339_mode_ctl/
echo rs232
or
rs485
Pin
Signal Name
RS-232
RS-485
1
DCD#
485DATA-
2
RXD
3
TXD
N/S
4
DTR#
N/S
5
GND
N/S
6
DSR#
N/S
7
RTS#
N/S
8
CTS#
N/S
9
RI#
N/S
1
5
6
9
Содержание ROScube-X RQX-58 Series
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