NUTDRV_SIEMENS-SITO(8) NUT NUTDRV_SIEMENS-SITO(8) (NAME) nutdrv_siemens-sitop - SITOP UPS500 (SYNOPSIS) nutdrv_siemens-sitop -h nutdrv_siemens-sitop -a UPS_NAME [OPTIONS] nutdrv_siemens-sitop . nutupsdrv(8) . (SUPPORTED HARDWARE) nutdrv_siemens-sitop SITOP UPS500 . USB . USB USB (serial-over-USB) . SITOP UPS500 ( USB ). SITOP UPS500S-2.5 USB ( 6EP1933-2EC41) . (DEVICE SETTINGS) (DIP-switches) . NUT : - (switch 1-4) . NUT . (switch 5) (=> / t) OFF (t) . NUT ( ). - (switch 6-10) ( - delay) OFF ( ) . NUT . NUT . (switch 11) (INTERR.) ON ( ) . shutdown.return . . (switch 12) (ON/OFF) ON ( ) . . USB (USB DRIVER) USB USB FTDI . (Product ID) ( 0403:e0e3) ftdi_sio . / (GNU/Linux) . lsusb (Product ID) e0e3 . modprobe ftdi_sio echo 0403 e0e3 > /sys/bus/usb-serial/drivers/ftdi_sio/new_id udev udev : ACTION=="add", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="e0e3", \ RUN+="/sbin/modprobe ftdi_sio", \ RUN+="/bin/sh -c 'echo 0403 e0e3 > /sys/bus/usb-serial/drivers/ftdi_sio/new_id'" udev /dev/ttyUPS : SUBSYSTEM=="tty" ATTRS{idVendor}=="0403", ATTRS{idProduct}=="e0e3" SYMLINK+="ttyUPS" (POLLING) (get status) . ( ). pollinterval . pollinterval . () . (EXTRA ARGUMENTS) : max_polls_without_data=num ( ). num . 2 . Data stale ( ) . (INSTANT COMMANDS) shutdown.return () : o on line: ( - OFF ) . . o on battery: ( - OFF ) . . shutdown.stayoff () : o on line: ( - OFF ) . . o on battery: shutdown.return . (INSTALLATION) . USB . NUT . udev NUT NUT ( dialout ). (DIAGNOSTICS) picocom : :; picocom -b 9600 -d 8 -p n /dev/ttyUPS NUT . : BUFRD BA>85 DC_OK picocom Ctrl-A Ctrl-X . (KNOWN ISSUES AND BUGS) SITOP UPS500 . (Data stale) () . . ( LF ). USB . ( ) . . (AUTHOR) Matthijs H. ten Berge (SEE ALSO) (The core driver): nutupsdrv(8) (Internet resources): NUT (Network UPS Tools): https://www.networkupstools.org/historic/v2.8.5/ Network UPS Tools 2.8.5 06/21/2026 NUTDRV_SIEMENS-SITO(8)