Turning on housekeeping power, Housekeeping power:turning on, Power:turning on housekeeping – HP A9834-9001B User Manual

Page 222: Step 2.  ensure that, Pdca:ac breaker power on sequence, Front panel display, Led:attention, Led:present, Attention led, Housekeeping power led

Advertising
background image

Appendix C

Powering the System On and Off

Turning On Housekeeping Power

222

Turning On Housekeeping Power

Use the following procedure to turn on housekeeping power to the system:

Step 1. Verify that the ac voltage at the input source is within specifications for each cabinet being

installed.

Step 2. Ensure that:

•

The ac breakers are in the OFF position.

•

The cabinet power switch at the front of the cabinet is in the OFF position.

•

The ac breakers and cabinet switches on the I/O expansion cabinet (if one is present) are in the
OFF position.

Step 3. If the complex has an IOX cabinet, power on this cabinet first.

IMPORTANT

The 48 V switch on the front panel must be off at this time.

Step 4. Turn on the ac breakers on the PDCAs at the back of the each cabinet.

In a large complex, power on cabinets in one of the two following orders:

•

9, 8, 1, 0

•

8, 9, 0, 1

On the front and back panels, the HKP and the Present LEDs should illuminate (Figure C-13).

On cabinet 0, the HKP and the Present LEDs illuminate, but only the HKP LED illuminates on
cabinet 1 (the right cabinet).

Advertising
This manual is related to the following products: