Com Ports - Vecow ECS-9200 User Manual

Quad core intel xeon/core i7 processor embedded system with intel c236 chipset & nvidia geforce gtx 950 graphics
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2.3.3 COM Ports

DC-IN
V+
On | Off
IGN
Serial port 1 to 4 (COM 1 to 4) can be configured for RS-232, RS-422, or RS-
485 with auto flow control communication. The default definition of COM 1 and
COM 2 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 below:
Serial
Port
1 to 4
©Vecow ECS-9200/9100 GTX950 User Manual
COM 1
V -
COM 2
COM 4
COM 3
RS-232
RS-422 (5-wire)
RS-422 (9-wire)
RS-485
RS-485 w/z auto-flow control
Pin No.
RS-232
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
PoE
PoE
PoE
PoE
LAN6
LAN5
LAN4
LAN3
DP
Function
RS-422
(5-wire)
TXD-
TXD+
RXD+
RXD-
GND
-----------
-----------
-----------
-----------
GETTING TO KNOW YOUR ECS-9200/9100 GTX950
DIO 2
DIO 1
Isolated
Isolated
20
11
20
DVI-I
HDMI
DP
DP
RS-422
RS-485
(9-wire)
(3-wire)
TXD-
TXD+
RXD+
-----------
RXD-
-----------
GND
RTS-
-----------
RTS+
-----------
CTS+
-----------
CTS-
-----------
11
DATA-
DATA+
GND
24

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