The S60 System
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9
Figure 2-3.
Stack ID Hexidecimal Display
•
The stack master indicator displays:
•
Stack Master—decimal LED ON
•
Stack standby—decimal LED blinking
•
Member—decimal LED Off
•
Below the Stack ID LED and above the optional module ports are four LEDs that display the system
status (
Table 2-1
). From left to right they are:
•
power
•
alarm
•
PSU0
•
PSU1
Table 2-1.
System LED Displays
Label
LED Color/Display
Description
Power (PWR)
Green Blinking
Green
Yellow
System is booting up.
System power supply is OK.
System power supply is operating outside the expected parameters.
Power Supply
(PSU0)
Green
Yellow
All fans are OK.
At least one fan is operating outside the expected parameters.
Power Supply
(PSU1)
Green
Yellow
All fans are OK.
At least one fan is operating outside the expected parameters.
