[time-nuts] Power Monitoring

Matthew Smith matt at smiffytech.com
Fri Apr 18 23:13:34 EDT 2008

Quoth Dennis Tillman at 2008-04-19 11:41...
> Don't forget that the cable from the DB-9 connector on the back of the APC
> UPS to the DB-9 Serial Input on the back of your PC is NOT 1-1. For reasons
> I have never understood the APC UPS requires a proprietary cable that came
> with the UPS. Even worse, it looks identical to a plain old DB-9 to DB-9
> serial cable except for the label on it.

I got round this by buying a pair of DIY DB9 to RJ45 shells - in fact 
that's how I do all my serial cables now, CAT6 in the middle.

Pinouts are on the web.



Matthew Smith
Smiffytech - Technology Consulting & Web Application Development
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