[Nut-upsuser] Contact-closure UPS

Charles Lepple clepple at gmail.com
Sat Nov 21 13:26:18 UTC 2015

> 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

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