Motherboard connectors pinouts  > HP pinouts
Secondary COM port cable for the Hewlett Packard dc7900 series workstations.

 

Device 1
Pin Number
Device 1
Pin Name
Direction Device 2
Pin Number
Device 2
Pin Name
Description
1 DTR -> 4 DTR   
2 RX <- 2 RX   
3  CTS <- 8 CTS   
4   DSR <- 6 DSR   
5   TX -> 3 TX   
6   RI <- 9 RI   
7   GND   5 GND   
8   GND   5 GND   
9   +5.0V   NC No connect   
10   +3.3V_AUX   NC No connect   
11   RTS -> 7 RTS   
12   Comm B Detect   5 Pull this pin to GND  Must be connected to GND at boot time to enable 2nd the serial port.
13   DCD <- 1 DCD   
14   -12V   NC No connect   
15   +12V   NC No connect   

 

16 pin IDC male connector layout
16 pin IDC male connector
at the motherboard
9 pin D-SUB male connector layout
9 pin D-SUB male connector
at the bracket
There are no any reports for this pinout! You may rate this document by clicking the button below.

Is this pinout
HP dc7900 secondary COM port header cable visual pinout:
HP dc7900 secondary COM port header cable diagram
click to enlarge
Source(s) of this and additional information: http://pinouts.ru/SerialPorts/Serial9_pinout.shtml; http://www.hp.com/ctg/Manual/c01549447.pdf
This page contain parts under Copyright © 2000-2015 by pinouts.ru team.
No portion of this webpage may be reproduced in any form without providing visible HTML link to pinoutguide.com . Webmaster permission required in any other cases.
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.