Bookmark /  Discuss  /  Edit  this page or submit new.
9 pin D-SUB male connector layout
9 pin D-SUB male connector
at the PC
9 pin D-SUB male connector layout
9 pin D-SUB male connector
at the UPS
APC part # 940-0119A.

Compaible with:

The BackUPS ES has a straight through serial cable with no identification on the plugs.

     computer           ----------- BackUPS-ES -----------------
     DB9-M              DB-9F
     pin    signal      pin
     
      4      DSR   ->    4 --+
                             |  diode   resistor
      6      DTR   ->    6 --+---->|----///---o kill power
     
      1      DCD   <-    1 --+
                             |
      2      RxD   <-    2 --+----------------+--o low battery
                                              |
      7      RTS   ->    7 --------+--///--+
                                   |
                                   +--///--+
                                              |
      8      RI    <-    8 --+----------------+--o on battery
                             |
      9      CTS   <-    9 --+
     
      5      GND   ---   5 ----------------------o ground
     
      3      TxD         3 nc
 
Is this document correct or incorrect?.
There are 0 reports in our database: 0 positive and 0 negative.
Pinouts.ru > UPS devices pinouts > Pinout of APC BackUPS ES (old) cable wiring and layout of 9 pin D-SUB male connector and 9 pin D-SUB male connector
This page contain parts under Copyright © 2000-2011 by pinouts.ru team.
No portion of this webpage may be reproduced in any form without providing visible HTML link to Pinouts.ru . 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.