PowerCom King UPS cable
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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
RxD12 
AC Fail29Contact closure
n/a31not used
GND45Common ground
Bat Low56Contact closure
TxD63 
GND78 
RTS87 
DTR94 

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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