Extron Electronics IPL T PCS4i - Manual (Page 13)

3. Plug the power cord of each device to be monitored into one of the receptacles on the
back panel of the PCS4.
4. If desired, connect a relay-controllable siren or other detection device to the Alarm relay
on the rear panel.
NOTE: The alarm relay cannot be set up from the front panel. You must use either
SIS commands or the web pages to configure it (see the Power receptacle
Monitoring and Alarm Functions SIS commands in the “SIS Programming
and Control” section).
IPL T PCS4 • Installation and Rear Panel 7