Tripp-lite OmniPro-450 (675) PowerAlert Cable pinout

connector or cable wiring

UPS Signal Name	DB-9 Male (UPS end)	DB-9 Female (PC end)	PC Signal Name
Ground	1	3
AC Fail	5	8	CTS
LOW BATT	6	1	DCD
Inverter shutoff-	4	5	GND
Inverter shutoff+	2	7	this wire includes one 1N4148 or 1N4149 diode \|<

Pin 4 at the PC end (DTR) connected by R1 10kOhm to pin 8 (CTS) and by R2 10kOhm to pin 1(DCD)

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9 pin D-SUB female connector
to the computer

Pinouts.ru > GPS, UPS, Switches and other devices cables and adapters schematics > Pinout of Tripp-lite OmniPro-450 (675) PowerAlert Cable and layout of 9 pin D-SUB male connector and 9 pin D-SUB female connector	Document status:	unknown
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