Pinouts >  RS-232 and other serial ports and interfaces
9 pin D-SUB male connector layout
9 pin D-SUB male connector
Common names: EIA-449, RS-449, ISO 4902. Secondary (auxilary) channel
Pin Name RS232 V.24 Dir Description
1 n/a101---Shield
2SSRSRR122<--Secondary Receiver Ready
3SSDSSD118-->Secondary Send Data
4SRDSRD119<--Secondary Receive Data
5SGSG102---Signal Ground
6RCRC102b---Receive Common
7SRSSRS120-->Secondary Request To Send
8SCSSCS121<--Secondary Clear To Send
9SCSC102a---Send Common
There are no any reports for this pinout! You may rate this document by clicking the button below.

Is this pinout
RS-449 (EIA-449) Secondary visual pinout:click to enlarge
Source(s) of this and additional information: RS449 Page at Connectivity Knowledge Platform (Made IT), from Hardware Book
Copyright © 2000-2022 by team, except user uploaded images.
No portion of this webpage may be reproduced in any form without visible link to .
Efforts have been made to ensure this page is correct, but it is the responsibility of the user to verify the data is correct for their application.