Appendix e connector pin-outs – Omnitron Systems Technology RS-232 User Manual

Page 64

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Appendix E

CONNECTOR PIN-OUTS

RS-232 Port, Standard DB-9P

Connector Pin

Direction

Signal (TTL level)

1

No Connection

3

To Omni

Receive Data (RxD)

2

To Host

Transmit Data (TxD)

5

Signal Ground

8

To Host

Request To Send (RTS)

7

To Omni

Clear To Send (CTS)

9

No Connection

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