Com Ports - Vecow ECS-9755-505MGTX950 User Manual

2.3.3 COM Ports

DC-IN
COM 2
V -
V+
On | Off
IGN COM 1
COM 4
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 Pin No.
Port
1
2
3
4
1 to 4
5
6
7
8
9
PoE PoE
LAN6 LAN5
COM 3
RS-232
RS-422 (5-wire)
RS-422 (9-wire)
RS-485
RS-485 w/z auto-flow control
RS-232 RS-422
(5-wire)
DCD TXD-
RXD TXD+
TXD RXD+
DTR RXD-
GND GND
DSR -----------
RTS -----------
CTS -----------
RI -----------
GETTING TO KNOW YOUR ECS-9755/9655 GTX950
PoE PoE
DIO 2
Isolated
LAN4 LAN3
20 11
10 1
PIN 1 ~ 8 D I PIN 11 ~ 18
DVI-I
DP HDMI DP
Function
RS-422
(9-wire)
TXD-
TXD+
RXD+
RXD-
GND
RTS-
RTS+
CTS+
CTS-
DIO 1
Isolated
20 11
10 1
DO PIN 1 ~ 8 D I PIN 11 ~ 18 DO
DP
RS-485
(3-wire)
DATA-
DATA+
-----------
-----------
GND
-----------
-----------
-----------
-----------
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