Version 6.6 107 October 2014
Installation & Operation Manual 16. Hardware Installation
16.5.2 Initial Power On
To power on, take this step:
Turn on the DC power input by energizing both circuit breakers (set to I). (One is
enough to power-up the chassis).
Table 16-1: PEM LED
Functional Unit Indicator
Indicator
Status
Description
PEM PEM Ready
Green The PEM is correctly
receiving power from the
backplane
Power Status In Green Indicates correct connection
polarity to the PEM.
Polarity Red Normally OFF
Is lit if the connection wires
are reversed causing
incorrect connection polarity.