[Nut-upsuser] Mitsubishi 2033C via gamtronic (SEC)?

Arnaud Quette aquette.dev at gmail.com
Mon Aug 13 12:55:02 UTC 2012

2012/8/6 Mark Felder <feld at feld.me>

> Hi guys,

Hi Mark,

I have a couple Mitsubishi 2033C UPSes that I badly want data from. We used
> to have Mitsubishi Netcom devices which took the serial output and provided
> a web interface, SNMP, and email alerts. All of those devices died. They're
> really awful devices (they're clunky and have 386s in them) and not worth
> the pricetag for a replacement.
> The closest replacement I've seen so far is a device by Chipkin but it's
> not very clear if they're actually selling it -- http://www.chipkin.com/**
> products/cas-gateways/cas-**2700-21-mitsubishi-ups-**gateway/<http://www.chipkin.com/products/cas-gateways/cas-2700-21-mitsubishi-ups-gateway/>
> After reading about the Chipkin I realized the UPS I'm working with speaks
> the SEC protocol. This is supposed to be supported by the gamtronic driver.
> My next thought is getting something like a Soekris/Alix/RaspberryPi device
> nearby and reading the data with NUT. Has anyone tried this before? It
> seems nobody even talks about these Mitsubishi UPSes on the internet, so
> it's a little scary -- I've seen UPSes (namely APC) decide to shutdown if
> you plug in the wrong serial cable, so I'm worried about what could happen
> if something malformed comes over the wire.
> Thanks for any pointers you might have.

sadly for you:
- we don't have any Mitsubishi units supported,
- actual SEC support in the gamatronic driver probably requires the below
patch, that I've never integrated due to the lack of users/testers:

Note that this patch will probably not apply straight on a recent archive.

You may also be interested in looking at this tracker (preliminary effort,
before I asked Julius to merge this with gamatronic):

Linux / Unix / Opensource Engineering Expert - Eaton -
Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org
Debian Developer - http://www.debian.org
Free Software Developer - http://arnaud.quette.fr
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