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9 pin D-SUB male connector layout
Разъем 9 pin D-SUB male
Used for connecting Megatech inteligent UPS (type I) or smart UPS (type II) to PC
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  
9 pin D-SUB female connector layout
Разъем 9 pin D-SUB female
На распиновку Megatech M2501 UPS cables Types I, II есть 1 отзыв(а): 0 положительных и 0 отрицательных.

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