Vecow ECS-9755-505MGTX950 User Manual page 48

2.4.15 COM Port Header
ECS-9755/9655 GTX950 provides 4 COM port headers for internal COM port
cables.
Pin out:
CN27:
Pin No. Description
1 Ground_Frame
2 Ground
3 RI
4 DTR
5 CTS
6 TXD
7 RTS
8 RXD
9 DSR
10 DCD
CN28:
Port Pin No.
COM3 1
COM3 2
COM3 3
COM3 4
COM3 5
COM3 6
COM3 7
COM3 8
COM3 9
COM3 10
GETTING TO KNOW YOUR ECS-9755/9655 GTX950
CN27 CN28
Description
Ground_Frame COM4
Ground COM4
RI COM4
DTR COM4
CTS COM4
TXD COM4
RTS COM4
RXD COM4
DSR COM4
DCD COM4
Port
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