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### G.5. Phoenixtec (Best Power)

Many Best Power units (including the Patriot Pro II) have a female DB-9 socket with a non-standard pinout.

Signal | PC | UPS
| 1,4,6 | NC
TxD | 2 | 2
RxD | 3 | 1
GND | 5 | 4
| 7,8 | NC

Sources:

- http://pinoutsguide.com/UPS/best_power_pinout.shtml
- http://lit.powerware.com/ll_download.asp?file=m_patriotproii_jan99.pdf
- Stan Gammons

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