Search for: This topic is empty. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts November 19, 2019 at 7:53 pm #13625 Quark ElecKeymaster The A031 multiplexer, does the unit need to be powered by 12v before using a USB cable for the configuration tool? or does the USB cable power up the unit? November 19, 2019 at 8:48 pm #14656 Anonymous It needs a 12v power supply. November 19, 2019 at 10:32 pm #14657 Quark ElecKeymaster Thank you Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In