This website uses only session cookies and does not use profiling cookies for the purposes of sending targeted advertisements. However, this site uses "third parties" cookies installed by different services than the site you are visiting. To disable the third-party profiling cookies, please visit the following links: AddThis Targeting Opt-Out, Google Ads Settings and Amazon Advertising Preferences. By using this website, you agree to our use of cookies.

APC Smart UPS Cable Pinout - AllPinouts

From AllPinouts
Jump to: navigation, search

connector or cable wiring APC Part # 940-0024C (black cable). Should work with APC PowerChute Plus, PowerChute V/S, PowerChute Pro software

9 pin D-SUB male connector layout
9 pin D-SUB male connector to the UPS

9 pin D-SUB female connector diagram
9 pin D-SUB female connector to the PC

Signal Name
DB-9 Male
(UPS end)
DB-9 Female
(PC end)
Signal Name
TX / AC Fail 2 2 Rx, Received Data
RX / Shutdown 1 3 Tx, Transmitted Data
Common 9 5 GND


  • At the PC end: pins 1,4 (DCD, DTR) shorted; pins 7,8 (RTS, CTS) shorted.


Personal tools
Follow AllPinouts on Twitter
AllPinouts is owned by LTD, the content is available under GFDL.