Installing the S4810 System
13
The system LEDs are :
•
System status (SYS)
•
Stack Master indicator (MASTER)
•
Fan status (FAN)
•
Power status (PSU)
Additionally, the PSUsand the fans have LEDs that indicate their individual status.
•
Power Supply unit status
•
Fan Tray status
•
System
Table 4
System LED displays
Label
LED Color/Display
Description
System status
Located on I/O panel
Off
Green blinking
Green solid
Red solid
Red blinking
No power
Booting, or system in diagnostic mode
Normal operation
Critical alarm
non-critical alarm
Stack Master Indicator
Located on I/O panel
Off
Green blinking
Green solid
Unit is a stack member
Unit is the stack standby
Unit is the Stack Master
Fan status
Located on I/O panel
Green solid
Yellow solid
Fan present and working normally
Fan failed or not inserted
Power status
Located on I/O panel
Off
Green solid
Yellow blinking
No power
Normal operation
One power supply failed
Fan tray status
Located on the Fan
Green solid
Red solid
Fan tray present and working normally
Fan tray failed
Power Supply status (AC OK)
Located on the PSU
Off
Green solid
No power
Power supply present and working
SYS
MASTER
FAN
PSU