Pinouts of Connectors

Serial (Printer) connector pinout

layout
schematic diagram
add this page to bookmarks

25 pin D-SUB MALE connector pin-out & layout
25 pin D-SUB MALE connector  at the printer
Pin Name Dir Description
1 SHIELD --- Shield Ground
2 TXD --> Transmit Data
3 RXD <-- Receive Data
4 n/c - Not connected
5 n/c - Not connected
6 DSR <-- Data Set Ready
7 GND --- System Ground
8 DCD <-- Data Carrier Detect
9 n/c - Not connected
10 n/c - Not connected
11 ? --> Reverse Channel
12 n/c - Not connected
13 n/c - Not connected
14 n/c - Not connected
15 n/c - Not connected
16 n/c - Not connected
17 TTY-TXD --> TTY Receive Data
18 n/c - Not connected
19 n/c - Not connected
20 DTR --> Data Terminal Ready
21 n/c - Not connected
22 n/c - Not connected
23 ? --> TTY Receive Data Return
24 ? <-- TTY Transmit Data Return
25 TTY-RXD <-- TTY Receive Data

This information should be correct, but may be not. You can help us to improve this webpage!
You can confirm this document to be correct (be careful), or report an error in document (error may be described in the following webpage). Result of your submission will be used for calculating document status shown at the bottom of this page.
Pinouts.ru > Pinouts of serial ports >  Pinout of Serial (Printer) connector and layout of 25 pin D-SUB MALE connector

Source(s): Hardware Book, Petr Krc
Document status: unknown
mark as erroneous!
mark as correct		 0 report(s)
Click one of this links to change document status.
[Discuss at the forum] [Back to index] [Add new pinout]
[Report an error or update]
This information is maintained by pinouts.ru team and provided as a guideline only.
Efforts have been made to ensure it is correct, but it is the responsibility of the user
to verify the data is correct for their application.
95 hits since February 11, 2005