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

[Arjen de Korte]

> 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).

Best regards, Arjen
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