7 Communication Interfaces
EPO/ROO Port
EPO: Emergency Power Off allows the user to shut down the UPS when an emergency occurs. Restarting the UPS requires
manual intervention.
ROO: Remote ON/OFF allows remote action of buttons "on" and "off" to turn on or shut down the UPS.
Connect a normally closed contact (60Vdc/30Vac 20mA max, 0.75mm
cable cross-section) between the two pins of the port
2
(Figure 7-2)
Figure 7-2: EPO/ROO Port
For EPO
Contact short: UPS shutdown
For ROO
Contact short to open: UPS shutdown
Contact open to short: UPS start-up
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