[Nut-upsuser] APC SmartUPS 2200

Andrea Venturoli ml at netfence.it
Wed Feb 18 19:13:35 GMT 2026


On 2/18/26 19:46, Greg Troxel via Nut-upsuser wrote:

> I would not assume that.    It could easily be that there is a device
> which logically has a serial port and physically has a USB port, that
> presents a usb/serial converter.

Good to know.
So I'll eventually try APCSmart too.



> You also omitted the dmesg output from plugging it in.

I cannot un[plug] it right now, since it's not here.
I can report the dmesg at boot, though:
> ugen0.4: <American Power Conversion Smart-UPS 2200 FW:654.18.I USB FW:7.4> at usbus0

More info with usbconfig:
> ugen0.4: <Uninterruptible Power Supply American Power Conversion> at usbus0, cfg=0 md=HOST spd=LOW (1.5Mbps) pwr=ON (30mA)
> 
>   bLength = 0x0012 
>   bDescriptorType = 0x0001 
>   bcdUSB = 0x0110 
>   bDeviceClass = 0x0000  <Probed by interface class>
>   bDeviceSubClass = 0x0000 
>   bDeviceProtocol = 0x0000 
>   bMaxPacketSize0 = 0x0008 
>   idVendor = 0x051d 
>   idProduct = 0x0002 
>   bcdDevice = 0x0006 
>   iManufacturer = 0x0003  <American Power Conversion>
>   iProduct = 0x0001  <Smart-UPS 2200 FW:654.18.I USB FW:7.4>
>   iSerialNumber = 0x0002  <JS0936003976>
>   bNumConfigurations = 0x0001 
> 
> 
>  Configuration index 0
> 
>     bLength = 0x0009 
>     bDescriptorType = 0x0002 
>     wTotalLength = 0x0022 
>     bNumInterfaces = 0x0001 
>     bConfigurationValue = 0x0001 
>     iConfiguration = 0x000b  <1>
>     bmAttributes = 0x00e0 
>     bMaxPower = 0x000f 
> 
>     Interface 0
>       bLength = 0x0009 
>       bDescriptorType = 0x0004 
>       bInterfaceNumber = 0x0000 
>       bAlternateSetting = 0x0000 
>       bNumEndpoints = 0x0001 
>       bInterfaceClass = 0x0003  <HID device>
>       bInterfaceSubClass = 0x0000 
>       bInterfaceProtocol = 0x0000 
>       iInterface = 0x0000  <no string>
> 
>       Additional Descriptor
> 
>       bLength = 0x09
>       bDescriptorType = 0x21
>       bDescriptorSubType = 0x10
>        RAW dump: 
>        0x00 | 0x09, 0x21, 0x10, 0x01, 0x21, 0x01, 0x22, 0x28, 
>        0x08 | 0x04
> 
>      Endpoint 0
>         bLength = 0x0007 
>         bDescriptorType = 0x0005 
>         bEndpointAddress = 0x0081  <IN>
>         bmAttributes = 0x0003  <INTERRUPT>
>         wMaxPacketSize = 0x0006 
>         bInterval = 0x0064 
>         bRefresh = 0x0000 
>         bSynchAddress = 0x0000 



  bye & Thanks
	av.



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