Sun Microsystems Rack, Руководство по обслуживанию

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14 Sun Rack Service Manual • November 2002
FIGURE 2-2
Power Sequencer LEDs
TABLE 2-1
Sequencer LEDs
LED ON indicates
Okay to Remove The sequencer output AC is turned off; there is no power to the power strip outlet
groups.
Fault A problem in the sequencer; either with the sequencer controller or one of the
power supplies, or one or more of the outlet groups is not energized. Note: An
open (OFF) power switch is not a Fault condition.
Ready The sequencer is operational and has passed the power-on-self-test (POST).
~ AC 1-9 ODD
(Input power available) AC power is available to the input side of the odd-numbered outlet group relays.
Note: this LED only indicates that power is available to the outlet group relays; it
does not indicate that AC power is output from the sequencer.
~ AC 0-8 EVEN
(Input power available) AC power is available to the input side of the even-numbered outlet group relays.
Note: this LED only indicates that power is available to the outlet group relays; it
does not indicate that AC power is output from the sequencer.
Okay to Remove (BLUE)
Fault (YELLOW)
Ready (GREEN)
Input power available for outlet groups 1, 3, 5, 7, and 9
Input power available for outlet groups 0, 2, 4, 6, and 8
(GREEN)
(GREEN)
Power switch for outlet groups 1, 3, 5, 7, and 9
Power switch for outlet groups 0, 2, 4, 6, and 8