Master NAS,   PC/TrueNAS Core attached with UPS USB Cable

• Step 1:   Power on the Cyberpower VAL600 & plug the USB cable into TrueNas system

• Step 2:   Find out UPS port information, say ugen3.0

TrueNAS Web Gui / System/Advance/Show Console Message

• Step 3:   Config with the UPS

TrueNAS Web Gui / Services/UPS

UPS Mode:  Master

Remote Monitor:    Enable

Monitor User:      upsmon

Monitor Password:   Your Passwrod

Driver:  Cyber Power System ups2 Value 600E USB

Port or Hostname:   /dev/ugen0.3auto

Shutdown Command:  shutdown -h now

• Step 4:  Check with command upsc ups@localhost

TrueNAS Web Gui / Shell

• Step 5:   Verify shutdown command is working by turn off the AC power supplier of UPS

     Slave NAS:    PC/TrueNAS Core not  attached with UPS USB Cable

• Step 6:Config TrueNAS PC as NUT Salve

UPS Mode:     Slave

Remote Host:   IP of Master NAS

Remote Port:    3493

Port or Hostname:  auto

Monitor User:     upsmon

Monitor Password:    Same as Master UPS

Shutdown command:     shutdown -h now

     Slave Linux:    PC/Linux not  attached with UPS USB Cable

• Step 7: Config Linux PC as NUT slave

Install NUT

Config upsmon as following

POWERDOWNFLAG /etc/nut/killpower
               MONITOR ups@MASTER_UPS_IP 1  upsmon YOUR_PASSWORD  slave
               MINSUPPLIES 1
               SHUTDOWNCMD “/sbin/shutdown -h +0”

               POLLFREQ 5
               POLLFREQALERT 5
               HOSTSYNC 15
               DEADTIME 15
               RBWARNTIME 43200
               NOCOMMWARNTIME 300
               FINALDELAY 5

Launch upsmon service

Note:

TrueNAS Core only support  UPS On Battery Action