[Nut-upsuser] SU2200RTXLCD2U and protocol 4006

[Larry Fahnoe]

>
> My idea was first to test the protocol via a serial terminal client
> directly connected to the UPS, and then write some simple code from scratch
> to implement the protocol and use it for my basic needs.


That sounds like a lot of work to me, particularly when NUT is already a
well thought out and highly flexible tool to manage UPS connected systems.
I'd suggest reading the NUT documentation and then trying to use the USB
interface with your UPS.

--Larry


On Mon, Jul 3, 2017 at 11:48 AM, Ambrogio Coletti <ambrojohn at gmail.com>
wrote:

> Thank you for your answer.
> I will try to investigate the possibility that the Tripplite serial cable
> has a different pinout than a standard RS-232 serial cable.
>
> I wouldn't use the NUT at this point because I don't think I will be able
> to write a software update to adapt the NUT to my needs.
>
> My idea was first to test the protocol via a serial terminal client
> directly connected to the UPS, and then write some simple code from scratch
> to implement the protocol and use it for my basic needs.
>
> Do you think that is a feasible approach?
>
> Ambrogio
>
> On Mon, Jul 3, 2017 at 10:17 AM Larry Fahnoe <fahnoe at fahnoetech.com>
> wrote:
>
>> I don't have the Tripp-Lite model that you have, however the NUT HCL
>> http://networkupstools.org/stable-hcl.html suggests that the SU2200RTXLCD2U
>> ought to work via USB.  Tripp-Lite sometimes uses proprietary serial
>> cables, so you may need to hunt down a pinout for the serial cable this
>> unit requires.  If you need to use a serial connection, I'd start by
>> looking at how their PowerAlert software connects to the UPS and then go
>> from there to see if you can provide a similar connection to your NUT
>> master.
>>
>> --Larry
>>
>> On Mon, Jul 3, 2017 at 10:38 AM, Ambrogio Coletti <ambrojohn at gmail.com>
>> wrote:
>>
>>> Hello
>>>
>>> I asked Tripplite the serial protocol implemented in the UPS model
>>> SU2200RTXLCD2U.
>>>
>>> The protocol is the 4006, which is not supported by the NUT.
>>>
>>> I connected my UPS unit to a serial terminal client (both from a Windows
>>> machine and a Linux machine), set the communication parameters to those
>>> indicated in the protocol spec, and tried to open the communication,
>>> unfortunately with no success.
>>>
>>> I couldn't get much support from Tripplite. They couldn't even tell me
>>> if I should expect to be able to connect that way an see any type of
>>> "welcome message" as the device communication is open.
>>>
>>> So I am asking you guys, do you know if I am supposed to be able to open
>>> a straight serial connection with the UPS as described above, using a
>>> normal serial terminal cliente (e.g. Putty)?
>>>
>>> Regards
>>> Ambrogio
>>>
>>> _______________________________________________
>>> Nut-upsuser mailing list
>>> Nut-upsuser at lists.alioth.debian.org
>>> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/nut-upsuser
>>>
>>
>>
>>
>> --
>> Larry Fahnoe, Fahnoe Technology Consulting, fahnoe at FahnoeTech.com
>>            Minneapolis, Minnesota       www.FahnoeTech.com
>>
>


-- 
Larry Fahnoe, Fahnoe Technology Consulting, fahnoe at FahnoeTech.com
           Minneapolis, Minnesota       www.FahnoeTech.com
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