Determining The Status Of A Power Supply - Dell PowerConnect B-DCX-4S Backbone Hardware Reference Manual

TABLE 6
LED purpose
Power
Status
LINK LED
ATTN LED

Determining the status of a power supply

1. Check the LED indicator on the power supply
2. Check the power supply status by entering psShow.
Figure 16
PowerConnect B-DCX4S Backbone Hardware Reference Manual
53-1001808-01
CR4S-8 blade LED descriptions
Color
Steady green
No light (LED is off)
No light (LED is off)
Steady amber
Slow-flashing amber (on 2
seconds; then off 2 seconds)
Fast-flashing amber (on 1/2
second; then off 1/2 second)
No light (LED is off)
Steady green
No light (LED is off)
Blinking amber
change during POST and other diagnostic tests; for information about how to interpret the LED
patterns, see Table 7.
The power supply status displays OK, Absent, or Faulty. If a power supply is absent or faulty,
contact the PowerConnect B-DCX-4S supplier to order replacement parts.
displays the power supply.

Determining the status of a power supply

Status Recommended action
CR4S-8 blade is on. No action required.
CR4S-8 blade is not on. Ensure that the blade is firmly
seated and has power.
CR4S-8 blade is either Verify that the power LED is on.
healthy or does not have
power.
CR4S-8 blade is faulty or Ensure that the blade is firmly
the switch is still booting. seated and the switch has
completed booting. If the LED
remains yellow, consult the
PowerConnect B-DCX-4S supplier.
CR4S-8 blade is not seated Pull the blade out and reseat it. If
correctly or is faulty. the LED continues to flash, replace
the blade.
Environmental range Check for out-of-bounds
exceeded. environmental condition and
correct it.
No ICL, or ICL cable Ensure that the ICL cable is
present but no connection. correctly installed.
ICL connected. No action required.
ICL operational. No action required.
Attention required. Ensure that the ICL cable is
correctly installed.
(Figure 16). The LED patterns may temporarily
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