Atop-technology SE5001A User manual Manual do Utilizador descarregar pdf (Página 13)

User Manual Version 1.0

SE5001A Serial Device Server

11

2.2 Pin Assignments

2.2.1 Serial Port

DB9 Pin Assignments

Pin#

RS-232 Full Duplex

2-Wire RS-485 Half Duplex

RS-422/4-Wire RS-485 Full Duplex

1

DCD

N/A

N/A

2

RXD

N/A

TXD+

3

TXD

DATA+

RXD+

4

DTR

N/A

N/A

5

SG (Signal Ground)

SG (Signal Ground)

SG (Signal Ground)

6

DSR

N/A

N/A

7

RTS

DATA-

RXD-

8

CTS

N/A

TXD-

9

N/A

N/A

N/A

TB5 Pin Assignments

Pin#

RS-232

2-Wire RS-485 Half Duplex

RS-422/4-Wire RS-485 Full Duplex

1

RxD

NC

T+

2

CTS

NC

T-

3

TxD

DATA+

R+

4

RTS

Data-

R-

5

SG (Signal Ground)

SG (Signal Ground)

SG (Signal Ground)

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