BICKER_SER(8) NUT Manual BICKER_SER(8) (NAME) bicker_ser - DC Bicker (SYNOPSIS) bicker_ser -h bicker_ser -a UPS_NAME [OPTIONS] bicker_ser . nutupsdrv(8) . (SUPPORTED HARDWARE) bicker_ser Bicker PSZ-1053 UPSIC-1205 UPSIC-2403 DC2412-UPS DC2412-UPS-LD . (CABLING) ( DB9) . (EXTRA ARGUMENTS) ups.conf(5) . (VARIABLES) upsrw(8) . . . . ups.delay.shutdown ( ) . ups.delay.start ( ) . . battery.charge.restart ( ) . . battery.charge.low ( 20) . experimental.output.current.low ( 200) . experimental.ups.delay.shutdown.signal ( ) . experimental.ups.delay.shutdown.signal.masked ( ) IN-1 (high) . experimental.battery.charge.low.empty ( 20) << >> . . . experimental.ups.relay.mode ( 0x01) . . : 0x01 On power fail (normally closed) 0x02 On power fail (normally opened) 0x03 Shutdown impulse (1 second) 0x04 Battery low signal (normally closed) 0x05 Battery defect signal (normally closed) (INSTANT COMMANDS) shutdown.return . (KNOWN ISSUES AND BUGS) ups.delay.shutdown . (AUTHOR) Nicola Fontana (SEE ALSO) (The core driver): nutupsdrv(8) (Internet resources): (NUT): https://www.networkupstools.org/historic/v2.8.5 Network UPS Tools 2.8.5 06/21/2026 BICKER_SER(8)