RS-232 Connections

Appendix D: RS-232 Connections

 

 

 

 

DB-9M

Signal

RS-232

DTE

Pin

 

 

 

1

Carrier Detect

DCD

In

2

Receive Data

RXD

In

3

Transmit Data

TXD

Out

4

Data Terminal Ready

DTR

Out

5

Signal Ground

GND

---

6

Data Set Ready

DSR

In

7

Request To Send

RTS

Out

8

Clear To Send

CTS

In

9

Not Connected

NA

NA

Figure 16. RS-232 Connections in a DB-9 Connector

42

Manual Documentation Number: ES1A -2907m pn7041-rev002

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104www.bb-elec.com

B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445www.bb-europe.com

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B&B Electronics ES1AE manual Appendix D RS-232 Connections, Dte