Nut - Home The project is free to provide support for ups Link
Nut - driver usbhid-ups Link
Nut - example Powercom Vanguard-UPS(VGD) table of connected contents Link
Supported model ON - Line : SNT, MAC, MRT, VGS, VRT, VGD, VRM

LIne - Interactive : RPT, SPT, SRT, SPD, IMP, IMD, SPR, WOW, BNT

OFF - Line : CUB, SPD, WOW
/etc/nut/nut.conf Set MODE = standalone Link
   driver = usbhid-ups
   port = auto
Nut - User Manual Link