Brocade Communications Systems Brocade 6520 Hardware Reference Manual page 32

3
LED activity interpretation
Figure 4
1
2
FIGURE 4
Table 8
TABLE 8
LED name
Power supply
AC input
status (one
green LED)
Power supply
DC output
status (one
bi-color LED)
20
shows the LEDs on the non-port side of the switch.
Power supply DC status LED
Power supply AC status LED
LEDs on non-port side of Brocade 6520
describes the LEDs on the non-port side of the switch.
Non-port side LED patterns during normal operation
LED color
No light
Steady green
Flashing amber
(1:1)
Flashing
amber/green (2:1)
Flashing
amber/green (1:1)
Steady amber
Steady green
3 Fan status LED
Status of hardware
Power supply is not receiving AC
input voltage or AC input voltage
is below operational limit.
AC input voltage is within
operational range.
Output voltage is not enabled.
Over temperature warning.
Internal fan is out of regulation.
Power supply is faulty or not
plugged in completely.
DC output OK.
Recommended action
Verify that the power supply is properly
seated and the power cord is
connected to a functioning AC power
source.
No action required.
Verify that the power supply is fully
seated and that the captive screw is
secured.
Verify that ambients temperature is
less than 40C and check for intake
airflow blockage.
Replace the power supply.
Check the power cord, current, voltage,
and temperature to determine the
problem.
No action required.
Brocade 6520 Hardware Reference Manual
53-1002705-01