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9 pin D-SUB male connector layout
9 pin D-SUB male connector
part #940-1524C. Same usage as 024C but the length is 5meter
The pinout should fit 26 devices/models. Click to list>
UPS Pin
Name		 UPS Pin
Number		 Direction PC Pin
Number		 PC Pin
Name		 Description
RX 1 -?- 3 TX  
TX 2 -?- 2 RX  
C 9 -?- 5 G  
Pins 7 and 8 are shorted on PC side. Pins 1 and 4 are shorted on PC side.
 
9 pin D-SUB female connector layout
9 pin D-SUB female connector
Pinout status: +5 -0
According to 7 reports in our database (5 positive and 0 negative) the APC rack mount Smart-signalling DB9 cable pinout should be correct.

Is this pinout
NO DIY devices
APC rack mount Smart-signalling DB9 cable visual pinout:click to enlarge
Source(s) of this and additional information: http://www006.upp.so-net.ne.jp/ameejungl
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