[Nut-upsuser] Problem connecting Ippon Innova TBE 2000 UPS (USB/HID) with blazer_usb driver

[Роман Юрин]

*Dear Network UPS Tools Community,*

I am writing to you with a problem I'm encountering while setting up my 
Ippon Innova TBE 2000 UPS with NUT on my Linux system.

According to the NUT hardware compatibility list, my UPS model should be 
supported. However, I'm experiencing difficulties in configuring it and 
cannot establish a stable connection.

Here is the information about my system and configuration:

  *

    *UPS Model:* Ippon Innova TBE 2000

  *

    *OS:* Ubuntu 24.04.2 LTS (noble) ^

  *

    *NUT Version:* 2.8.1-3.1ubuntu2 ^

  *

    *Output of |lsusb -v| (relevant to the UPS):*

    |Bus 001 Device 007: ID 0483:a430 STMicroelectronics Innova TBE 2000
    Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00
    bDeviceClass 0 [unknown] bDeviceSubClass 0 [unknown] bDeviceProtocol
    0 bMaxPacketSize0 64 idVendor 0x0483 STMicroelectronics idProduct
    0xa430 Innova TBE 2000 bcdDevice 2.00 iManufacturer 3 UPS
    Manufacturer iProduct 1 Innova TBE 2000 iSerial 2 N0BW10NCL00206
    bNumConfigurations 1 Configuration Descriptor: bLength 9
    bDescriptorType 2 wTotalLength 0x0029 bNumInterfaces 1
    bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self
    Powered MaxPower 100mA Interface Descriptor: bLength 9
    bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0
    bNumEndpoints 2 bInterfaceClass 3 Human Interface Device
    bInterfaceSubClass 0 [unknown] bInterfaceProtocol 0 iInterface 0 HID
    Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.11
    bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34
    Report wDescriptorLength 741 Report Descriptors: ** UNAVAILABLE **
    Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress
    0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None
    Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 20
    Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress
    0x02 EP 2 OUT bmAttributes 3 Transfer Type Interrupt Synch Type None
    Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 20
    Device Status: 0x0001 Self Powered |

  *

    *Contents of |/etc/nut/ups.conf|:*

    |[innova] driver = blazer_usb port = /dev/bus/usb/001/004 desc =
    "ИБП Ippon Innova TBE 2000" |

  *

    *Error logs (|journalctl -xeu nut-server|):*

    |мая 12 09:08:07 LinuxR-PC nut-server[25767]: Can't connect to UPS
    [innova] (blazer_usb) [cite: 185, 186, 187] мая 12 09:08:07
    LinuxR-PC upsd[25767]: Can't connect to UPS [innova] (blazer_usb)
    [cite: 185, 186, 187] ... |

I am using the |blazer_usb| driver, as specified in my configuration, 
and have provided the USB port. However, as shown in the logs, NUT is 
unable to connect to the UPS.

I kindly request your assistance in resolving this issue. Perhaps there 
are specific configuration nuances or known peculiarities with this UPS 
model or driver that I should be aware of.

Any advice or recommendations would be greatly appreciated.

Sincerely, Roman
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