Product specifications

9. Appendices Vlinx MESR9xx Modbus Gateway
Page 74 Manual Documentation Number MESR9xx-0712m
www.bb-elec.com/
www.bb-europe.com/
Appendix D: Connector Pinouts
MESR901-x Serial Port Pinouts
DB9 M Pin
Direction
RS-232
1
Input
DCD
2
Input
RXD
3
Output
TXD
4
Output
DTR
5
---
GND
6
Input
DSR
7
Output
RTS
8
Input
CTS
9
Input
RI