[Nut-upsuser] Tripplite UPS

Charles Lepple clepple at gmail.com
Mon Dec 29 04:41:27 UTC 2008


This message is most appropriate for the NUT user list.  I kept Rik  
Faith's and Nicholas Kain's copyright information because the  
tripplite_usb driver borrows heavily from the tripplite (serial)  
driver, but they are not responsible for the mess that I made in the  
USB driver.

See below.

On Dec 28, 2008, at 5:28 PM, Lelsie Rhorer wrote:

> Gentlemen,
>             I am running a Tripp Lite OMNISV1500XL

Support for the 1500XL is a fluke - I did not have that unit  
available for testing.

> under NUT using the tripplite_usb driver on a Debian "Lenny" Linux  
> system.  The platform is an AMD Athlon 64 x 2 processor running  
> kernel 2.6.26.  The driver is up and running, but there are several  
> issues.

One important version missing from this list is the NUT package  
version (including any Debian-specific version extensions).

>             First, the system drops communications with the UPS  
> regularly - typically 2 or three times an hour.

Temporarily or permanently? Usually, the driver reconnects fairly  

>   I've worked around this by running a script which checks every  
> few seconds to make sure the UPS driver is on-line, and if not  
> restarts NUT.  I do not observe this behavior when I boot Windows  
> XP Pro 64 on the system.

Since we don't currently ship NUT for Windows XP, and because Tripp- 
Lite does not (to my knowledge) publish source code for their USB- 
based monitoring software, there is naturally going to be a gap  
between what NUT shows, and what you see in XP.

>             Secondly, the reported voltages are all incorrect.  I  
> measured them with an accurate voltmeter, and the Input Voltage is  
> typically around 120V, the Output Voltage is 122V, and the Battery  
> Voltage at full charge is 26V.  Running under Windows, the system  
> confirms these values.  Under the Linux driver, however, the system  
> is reporting an Input Voltage of around 113V, an Output Voltage of  
> 114V, and a fully charged Battery Voltage of 14.6V.

What does 'upsc' return?

Charles Lepple
clepple at gmail

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