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9 pin D-SUB male connector layout
9 pin D-SUB male connector
9 pin D-SUB female connector layout
9 pin D-SUB female connector
Cable Part M2502

 

Device 1
Pin Number		 Device 1
Pin Name		 Direction Device 2
Pin Number		 Device 2
Pin Name		 Description (may be empty)
6 Rx   3 TxD  Rx (RS232) and Turn Off UPS (Contact Closure)
7 Common   5 GND  Common
9 Tx   2 RxD  Tx (RS232)

 		     7,6,1 RTS,DSR,DCD  connect

 		     8,4 CTS,DTR  connect

 
 		  
 		    
2
 		          AC Failure (Contact Closure)
4
 		      
 		  Common
5
 		      
 		  Battery Low (Contact Closure)

 

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