Vecow RCS-9430F-GTX1080 User Manual page 49

2.2.15 Serial Port COM
COM 4
DC-IN
COM 1
V -
V+
On | Off
IGN COM 2
Serial port can be configured for RS-232, RS-422, or RS-485 with auto flow
control communication. The default definition is RS-232, if you want to change to
RS-422 or RS-485, you can find the setting in BIOS.
BIOS Setting
COM 1
COM 2
COM 3
COM 4
The pin assignments are listed in the table as follows :
Serial
Pin No.
Port
1
2
3
4
1 to 4 5
6
7
8
9
COM 3
Isolated
DVI-D
DP
DVI-I
RS-422 (5-wire)
RS-422 (9-wire)
RS-485 w/z auto-flow control
RS-422
RS-232
(5-wire)
DCD TXD-
RXD TXD+
TXD RXD+
DTR RXD-
GND GND
DSR -----------
RTS -----------
CTS -----------
RI -----------
GETTING TO KNOW YOUR RCS-9000F GTX1080
DIO 2 Isolated DIO 1
| LAN 2 | LAN 1
Function
RS-232
RS-485
RS-422
(9-wire)
TXD-
TXD+
RXD+
RXD-
GND
RTS-
RTS+
CTS+
CTS-
SIM 2
SIM 3
RST
RS-485
(3-wire)
DATA-
DATA+
-----------
-----------
GND
-----------
-----------
-----------
-----------
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