PowerCom King UPS

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connector or cable wiring

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 computer

UPS Signal Name DB-9 Male (UPS end) DB-9 Female (PC end) PC Signal Name
RxD 1 2
AC Fail 2 9 Contact closure
n/a 3 1 not used
GND 4 5 Common ground
Bat Low 5 6 Contact closure
TxD 6 3
GND 7 8
RTS 8 7
DTR 9 4


  • AC Fail and Bat Low - normally open (shorted to GND when active).


Category:Miscellaneous Cables


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