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Chapter 4: Power Up
Connecting the
!VOLTAGE ALERT:
To isolate the switch completely, you must disconnect all power connections: AC plug or DC terminal block and DC BUPS power.
AC input
1.Insert the power cord into the power connector (BUPS or Power Supply) on the rear of the unit.
Figure 4: P333T-PWR rear panel
1
2
Figure notes:
1.BUPS connector
2.AC connector
2.Insert the other end of the power cord into the electricity supply or the BUPS connector.
-The unit powers up and performs a self test procedure. The LEDs flash at regular intervals after the
Issue 1 September 2005 19