krad kraduk at
Fri Nov 6 12:21:15 UTC 2015

"apcaccess shows this on the server:
  CABLE    : USB Cable
  DRIVER   : USB UPS Driver

isn't that an application level driver though, or is it from dmesg?

On 5 November 2015 at 17:02, Warren Block <wblock at> wrote:

> On Thu, 5 Nov 2015, krad wrote:
> from what i remember the usb just presents itself as serial over usb, so
>> that makes sense. THe network bit is a bit misleading as I think it means
>> it talks to another apcupsd on a different host connected to a ups via
>> serial, rather than direct to a network enabled UPS.
> I have one APC Smart-UPS 1500 connected to a server by USB.  The USB port
> is native USB, it does not appear on the computer as a USB-connected serial
> port.  Other APC UPSes have DB9 ports that can speak serial or USB
> depending on the oddball adapter cables.  Some older UPSes might be serial
> only.
> apcaccess shows this on the server:
>   CABLE    : USB Cable
>   DRIVER   : USB UPS Driver
> Another computer is plugged into the Smart-UPS 1500 for power, but of
> course cannot share the UPS connector.  apcupsd on that computer connects
> over the network to the main apcupsd on the server that is directly
> connected to the Smart-UPS USB port.  It works transparently. apcaccess on
> the client computer shows:
>   CABLE    : Ethernet Link
> For my use, apcupsd is superior to the network monitoring cards that can
> be installed in the higher-end APC units.

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