Dell PowerConnect B-DCX4S Hardware Reference Guide - Page 53

Determining the status of a power supply

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Determining the status of a power supply 4 TABLE 6 CR4S-8 blade LED descriptions LED purpose Color Status Recommended action Power Steady green No light (LED is off) CR4S-8 blade is on. CR4S-8 blade is not on. No action required. Ensure that the blade is firmly seated and has power. Status LINK LED ATTN LED No light (LED is off) CR4S-8 blade is either healthy or does not have power. Verify that the power LED is on. Steady amber CR4S-8 blade is faulty or the switch is still booting. Ensure that the blade is firmly seated and the switch has completed booting. If the LED remains yellow, consult the PowerConnect B-DCX-4S supplier. Slow-flashing amber (on 2 CR4S-8 blade is not seated Pull the blade out and reseat it. If seconds; then off 2 seconds) correctly or is faulty. the LED continues to flash, replace the blade. Fast-flashing amber (on 1/2 Environmental range second; then off 1/2 second) exceeded. Check for out-of-bounds environmental condition and correct it. No light (LED is off) No ICL, or ICL cable Ensure that the ICL cable is present but no connection. correctly installed. Steady green ICL connected. No action required. No light (LED is off) ICL operational. No action required. Blinking amber Attention required. Ensure that the ICL cable is correctly installed. Determining the status of a power supply 1. Check the LED indicator on the power supply (Figure 16). The LED patterns may temporarily change during POST and other diagnostic tests; for information about how to interpret the LED patterns, see Table 7. 2. Check the power supply status by entering psShow. 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. Figure 16 displays the power supply. PowerConnect B-DCX4S Backbone Hardware Reference Manual 39 53-1001808-01

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PowerConnect B-DCX4S Backbone Hardware Reference Manual
39
53-1001808-01
Determining the status of a power supply
4
Determining the status of a power supply
1.
Check the LED indicator on the power supply (
Figure 16
). The LED patterns may temporarily
change during POST and other diagnostic tests; for information about how to interpret the LED
patterns, see
Table 7
.
2.
Check the power supply status by entering
psShow
.
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.
Figure 16
displays the power supply.
TABLE 6
CR4S-8 blade LED descriptions
LED purpose
Color
Status
Recommended action
Power
Steady green
CR4S-8 blade is on.
No action required.
No light (LED is off)
CR4S-8 blade is not on.
Ensure that the blade is firmly
seated and has power.
Status
No light (LED is off)
CR4S-8 blade is either
healthy or does not have
power.
Verify that the power LED is on.
Steady amber
CR4S-8 blade is faulty or
the switch is still booting.
Ensure that the blade is firmly
seated and the switch has
completed booting. If the LED
remains yellow, consult the
PowerConnect B-DCX-4S supplier.
Slow-flashing amber (on 2
seconds; then off 2 seconds)
CR4S-8 blade is not seated
correctly or is faulty.
Pull the blade out and reseat it. If
the LED continues to flash, replace
the blade.
Fast-flashing amber (on 1/2
second; then off 1/2 second)
Environmental range
exceeded.
Check for out-of-bounds
environmental condition and
correct it.
LINK LED
No light (LED is off)
No ICL, or ICL cable
present but no connection.
Ensure that the ICL cable is
correctly installed.
Steady green
ICL connected.
No action required.
ATTN LED
No light (LED is off)
ICL operational.
No action required.
Blinking amber
Attention required.
Ensure that the ICL cable is
correctly installed.