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Appendix d: connector pinouts, Mesr321 serial port pinouts – B&B Electronics MESR321_SL_ML - Manual User Manual

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Appendices

Vlinx MESR321 Modbus Gateway

65

MESR321-xx_R001_2113_m

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Appendix D: Connector Pinouts

MESR321 Serial Port Pinouts


DB9 M Pin

Direction

RS-232

1

Input

DCD

2

Input

RXD

3

Output

TXD

4

Output

DTR

5

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GND

6

Input

DSR

7

Output

RTS

8

Input

CTS

9

No Connection