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hello in first sorry for my poor english i've got a new ups "leibert GXT2-6000RT230" and i would like to use nut to make shutdown some server plugged on it. I bought a card with this ups "opencomms web card". I dont know where to plug the serial cable, directly on the serial port on the ups or on the serial port on the opencomms card, and with wich cable. I've got a grey serial cable with the ups, and a blue one with the opencomms card. I try all the solution , but when i launch th...