Appendix C
Powering the System On and Off
Turning On Housekeeping Power
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Figure C-13 Front Panel Display with Housekeeping (HKP) Power On, and
Present LEDs
Step 5. Examine the bulk power suppply (BPS) LEDs (Figure C-14).
When on, the breakers on the PDCA distribute power to the BPSs. Power is present at the BPSs
when:
• The amber light next to the label AC0 Present is on (if the breakers are on the PDCA on the left
side at the back of the cabinet).
• The amber light next to the label AC1 Present is on (if the breakers are on the PDCA on the
right side at the back of the cabinet).
HKP, Present,
and Attention
LEDs