[Nut-upsuser] Contact-closure UPS

[Charles Lepple]

> On Nov 21, 2015, at 2:43 AM, Róbert SZAKSZ <robert at szaksz.eu> wrote:
> 
> I mesured it and on DC and it shows 0 V (zero V). 
> May be the information (pls. see attachment) that UPS PIN1 should bee keept HI is mandatory. Should I connect it to PC PIN4 DTR?

Certainly possible. blazer_ser and nutdrv_qx should set DTR high and RTS low by default, but that can be adjusted.

> OR 
> 
> I need to follow with contact closure cable?

If the UPS is capable of the smart protocol, I still think that is worth trying first. But it's up to you.

-- 
Charles Lepple
clepple at gmail