APC BackUPS Office (old) cable pinout

connector or cable wiring

Pin	Signal	Description
1	4 and 6	DSR DTR, Shutdown when set by computer for 1-5 seconds
2	8 and 9	RI CTS, On battery power
3	1 and 2	CD RxD, Low battery
4	5	Ground
5	7	RTS, Begin signalling on other pins
6

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9 pin D-SUB female connector
to the PC

Pinouts.ru > GPS, UPS, Switches and other devices cables and adapters schematics > Pinout of APC BackUPS Office (old) cable and layout of 9 pin D-SUB male connector and 9 pin D-SUB female connector	Document status:	unknown
Source(s) of this and additional information: www.apcupsd.com	0 reports
Last updated at Thu Jan 10 2008. Submit additions or corrections for this document.	Is this document correct or incorrect? What is your opinion?

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