Vecow ECS-9740-505M-GTX1050 User Manual page 27

COM3 & COM 4 MB connector table:
COM Port
COM 3
COM 3 & COM 4 MB connector pin out:
CN27(COM3)
CN28(COM4)
©Vecow ECS-9700/ 9600 GTX1050 User Manual
MB Connector
CN27
CN Pin No.
10
COM Port
COM 4
1
2
3
4
5
6
7
8
9
GETTING TO KNOW YOUR ECS-9700/ 9600 GTX1050
MB Connector
CN28
Signal Name
Chassis GND
GND
RI
DTR
CTS
TXD
RTS
RXD
DSR
DCD
CN27 CN28
COM3 COM4
20