Hi Arnaud, We have a liebert GTX2 ESP-II it use serial port. I tries this settings: http://fedoranews.org/contributors/kazutoshi_morioka/nut/ And I tried /etc/init.d/ups start, but It says Communications with UPS liebertups at localhost lost Broadcast message from nut (Mon Oct 26 13:45:45 2009): UPS liebertups at localhost is unavailable What is wrong? What do I can that I resolve this problem? Thanks your all help Best Regards, Robert -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.alioth.debian.org/pipermail/nut-upsdev/attachments/20091026/0a040637/attachment.htm>