[Nut-upsuser] [Nut-upsdev] CyberPower 550SL reports LB and OB when on line power

[Charles Lepple]

On Fri, Aug 1, 2008 at 7:23 AM, Arjen de Korte <nut+users at de-korte.org> wrote:
>
>> DTR appears to dicrate the OB/OL status, however the driver won't let
>> me set that:
>>
>>
>> # /usr/lib/nut/drivers/genericups -a "cyberpower"
>> Network UPS Tools - Generic UPS driver 1.34 (2.2.2)
>> UPS type: CyberPower Power99
>>
>> Can't override input with DTR (not an input)
>
> Chances are you need a special serial cable for this UPS (if the pins are
> not connected straight through).

Arjen,

the interesting part here is that the only difference in the
statserial output was the state of the DTR pin. It almost sounds like
the kernel driver might be mixing up some of the signals.

-- 
- Charles Lepple