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PowerCom King UPS cable

pinout

9 pin D-SUB male

9 pin D-SUB male connector to the UPS

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).

9 pin D-SUB female

9 pin D-SUB female connector to the computer

Source:www.pinouts.ru

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