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Figure 7. S4148F-ON and S4148FE-ON I/O-side LEDs
1
QSFP28 port activity LEDs
2
Link/activity port LEDs
3
Master LED
4
System LED
5
Power LED
6
Fan LED
7
Locator LED/System beacon
8
Stack ID
Figure 8. S4100-ON Series PSU-side LEDs
1
Fan LED
2
Link LED
3
PSU LED
4
Activity LED
Table 3. S4100–ON Series LED behavior
LED
Description
System Status/Health LED
•
Solid green—Normal operation
•
Blinking green—Booting
•
Solid yellow (amber)—Critical system error
•
Blinking yellow—Noncritical system error, fan failure, or power
supply failure
Power LED
•
Off—No power
•
Solid green—Normal operation
•
Solid yellow—POST is in process
•
Blinking yellow—Power Supply failure
S4100–ON Series switch
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