Pinouts >  RS-232 and other serial ports and interfaces  >  Apple pinouts
25 pin D-SUB male connector layout
25 pin D-SUB male connector
Pin Name Description
2TxDTransmit Data line
3RxDReceive Data line
4RTSRequest To Send
5CTSClear To Send
6DSRData Set Ready
8DCDData Carrier Detect
9n/cNot connected
10n/cNot connected
11n/cNot connected
12n/cNot connected
13n/cNot connected
14n/cNot connected
15TxCConnected to TRxCA
16n/cNot connected
17RxCConnected to RTxCA
18n/cNot connected
19n/cNot connected
20n/cNot connected
21n/cNot connected
22n/cNot connected
23n/cNot connected
24TEXTConnected to TRxCA
25n/cNot connected
25 pin D-SUB female connector layout
25 pin D-SUB female connector
There are no any reports for this pinout! You may rate this document by clicking the button below.

Is this pinout
Source(s) of this and additional information: Technote HW19: Pinouts at Apple Technical Notes, 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.