Hello Arnaud, yes I use the standard sarge packages nut and nut-cgi, both installed on the same host (neckarsulm). #### hosts.conf #### MONITOR comet@mastermind "Mastermind UPS" #### ups.conf #### [comet] driver = mge-utalk port = /dev/ttyS0 #### upsd.conf #### ACL all 0.0.0.0/0 ACL localhost 127.0.0.1/32 ACL lan 172.18.2.0/24 ACCEPT localhost lan REJECT all #### upsd.users #### [admin] password = adminpass allowfrom = all lan localhosts actions = SET instcmds = ALL [monuser] password = monuser allowfrom = all lan localhost upsmon master #### upsmon.conf #### MINSUPPLIES 1 SHUTDOWNCMD "/sbin/shutdown -h +0" POLLFREQ 5 POLLFREQALERT 5 HOSTSYNC 15 DEADTIME 15 POWERDOWNFLAG /etc/killpower RBWARNTIME 43200 NOCOMMWARNTIME 300 FINALDELAY 5 MONITOR comet@mastermind 1 monuser monuser master The upsc output: neckarsulm:/etc/nut# upsc comet@mastermind battery.charge: 000.0 battery.charge.low: 00 battery.runtime: 00000 battery.voltage: 000.0 driver.name: mge-utalk driver.parameter.port: /dev/ttyS0 driver.version: 2.0.1 driver.version.internal: 0.81.0 input.frequency: 2000.00 input.voltage: 273.0 output.current: 2700.0 ups.delay.start: 000 ups.firmware: unknown ups.id: 20 ups.mfr: MGE UPS SYSTEMS ups.model: 20 ups.status: OL ups.temperature: 000.0 ups.test.interval: 100 mastermind is a CNAME for neckarsulm. The output of `upsc comet@neckarsulm` is the same. Regards, Thomas