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9 pin D-SUB male connector layout
9 pin D-SUB male connector
at the UPS
Part# 73-0743 (SmartPro UPS). Should work with PowerAlert software.
The pinout should fit 1 devices/models. Click to list>
UPS
Signal Name		 DB-9 Male
(UPS end)		 DB-9 Female
(PC end)		 PC
Signal Name
Tx 7 2 RxD
Rx 9 3 TxD
Common 8 5 GND

Pins 7 and 8 shorted at the PC end of the connector.

Pins 1 and 4 and 6 shorted at the PC end connector.

 
9 pin D-SUB female connector layout
9 pin D-SUB female connector
at the computer
Pinout status: +6 -0
According to 6 reports in our database (6 positive and 0 negative) the Tripp-lite SmartPro Cable pinout should be correct.

Is this pinout
NO DIY devices
Tripp-lite SmartPro Cable visual pinout:click to enlarge
Source(s) of this and additional information: UPS FAQ in russian
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