Pinouts of Connectors

Sun Serial (DB25) connector pinout

layout
schematic diagram
add this page to bookmarks

Available on SUN computers since the SUN3 series (1988) to the current UltraSparc systems (RS423/RS232)

25 pin D-SUB FEMALE connector pin-out & layout
25 pin D-SUB FEMALE connector  at the computer
Used at least in Ultra 1/ 2/ 5 / 10 / 30/ 60 / 80, Enterprise 150/ 220R/ 250/ 3000/ 3500/ 4500/ 5000/ 5500/ 6500, Netra t 1120/ 1125/ 1400/ 1405 / SPARCstation 5 / Sun Blade 1000 / Sun Blade 2000 / Sun Fire 280R / Enterprise 420R serial ports.
Pin Name Dir Description
1 n/c -  
2 TXD --> Transmit Data
3 RXD <-- Receive Data
4 RTS --> Request to Send
5 CTS <-- Clear to Send
6 DSR <-- Data Set Ready
7 GND - System Ground
8 DCD <-- Data Carrier Detect
9 n/c - BUTTON_POR (Power-on reset) for Sun Ultra 80 / Sun Blade 1000 / Sun Blade 2000 / Sun Fire 280R / Enterprise 420R
10 n/c - BUTTON_XIR_L (Transmit internal reset) for Sun Ultra 80 / Sun Blade 1000 / Sun Blade 2000 / Sun Fire 280R / Enterprise 420R
11 n/c - +5 Vdc for Sun Ultra 80 / Sun Blade 1000 / Sun Blade 2000 / Sun Fire 280R / Enterprise 420R
12 n/c -  
13 n/c -  
14 n/c -  
15 TRxC <-- Transmit Clock
16 n/c -  
17 RTxC <-- Receive Clock
18 n/c -  
19 n/c -  
20 DTR --> Data Terminal Ready
21 n/c -  
22 n/c -  
23 n/c -  
24 TxC --> Transmit Clock
25 n/c -  

Note: Direction is DTE (Computer) relative DCE (Modem)

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 Sun Serial (DB25) connector and layout of 25 pin D-SUB FEMALE connector

Source(s): SUN SPARCengine Ultra 20 OEM Manual, from Hardware Book
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.
56 hits since February 11, 2005