Megatech M2501 and M2603 UPS cables Types I, II pinout

connector or cable wiring

PC Pin name	PC Pin	Direction	UPS Pin	UPS Pin name	Description
NC	1		1	NC
AC Power Failuce	2		2	AC Power Failuce	Active negative level (negative impulse indicates a power failure)
NC	3		3	NC
Common Ground of Pin 2, 5, 6	4	-?-	4	Common Ground of Pin 2, 5, 6
UPS Battery Low	5		5	UPS Battery Low	Active negative level (negative impulse indicates a batery low power level)
Turn Off UPS	6		6	Turn Off UPS	Active positive level (positive impulse sent by PC shuts down the UPS)
NC / GND for pin 6	7		7	NC / GND for pin 6	NC in Type I cable. GND for pin 6 in Type II cable.
NC	8		8	NC
NC	9		9	NC

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9 pin D-SUB male connector

Pinouts.ru > GPS, UPS, Switches and other devices cables and adapters schematics > Pinout of Megatech M2501 and M2603 UPS cables Types I, II and layout of 9 pin D-SUB male connector and 9 pin D-SUB male connector	Document status:	unknown
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