Sun Microsystems Netra CT 820, Руководство по обслуживанию

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2-2 Netra CT 820 Server Service Manual • July 2004
addition, you should go through a hardware power-on only if you powered down
the server using the hardware power-off instructions (see
“Performing a
Hardware Power-Off” on page 2 4 ).
■
Software power-on—This powers on node or switching fabric slots on a slot-by-
slot basis through the distributed management card. You can go through a slot-
by-slot software power-on only if you powered down the individual slots using
the software power-off instructions (see
“Performing a Software Power-Off” on
page 2 4 ); you cannot go through a slot-by-slot software power-on if you powered
off the entire system using the hardware power-off instructions.
2.1.1 Performing a Hardware Power-On
1. At the rear of the Netra CT 820 server, verify that you have made the proper
connections to the DC power input panel (
FIGURE 2-1
).
FIGURE 2-1
DC Power Input Panel
GND
-48VDC
A
B
RTN
GND
-48VDC
A
B
RTN
“A” terminals: -48V Return
“B” terminals: -48V Return Chassis ground
Power switch
Chassis ground