Neuhaus SmartLine/Fenton PowerPal interface

9 pin D-SUB male connector at the UPS

Pin #	Signal Type
1	N/A
2	AC Failure (Contact Closure)
3	N/A
4	Common
5	Battery Low (Contact Closure)
6	Rx (RS232) and Turn Off UPS (Contact Closure)
7	Common
8	N/A
9	Tx (RS232)

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