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©Vecow SPC-4500 User Manual
GETTING TO KNOW YOUR SPC-4500
2.2.2.6
DP
It supports DP1.2 and up to 4096×2160 resolution @ 60Hz.
COM 3
DVI-I
DP
COM 4
1
2
3
4
Isolated
DIO
2.2.2.7
Serial Port COM
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
Function
COM3 (Left)
COM4 (Right)
RS-232
RS-422 (5-wire)
RS-422 (9-wire)
RS-485
RS-485 w/z auto-flow control
COM3/COM4 pin assignments are listed in the following table :
Serial
Port
Pin
No.
RS-232
RS-422
(5-wire)
RS-422
(9-wire)
RS-485
(3-wire)
3 to 4
1
GND_EARTH
GND_EARTH
GND_EARTH
GND_EARTH
2
GND
GND
GND
GND
3
RI
-----------
CTS-
RI
4
DTR
RXD-
RXD-
-----------
5
CTS
-----------
CTS+
-----------
6
TXD
RXD+
RXD+
-----------
7
RTS
-----------
RTS+
-----------
8
RXD
TXD+
TXD+
DATA+
9
DSR
-----------
RTS-
-----------
10
DCD
TXD-
TXD-
DATA-
COM 3
DVI-I
DP
COM 4
1
2
3
4
Isolated
DIO
