S4048-ON front panel indicators
Note
Do not rely solely on the front panel indicators when checking the switch for proper
operation. You must also check the indicators on the fans and power supplies (rear
panel). Some fan and power supply conditions may not be indicated at the front panel.
Figure 20 S4048–ON front panel indicators
1. Master LED
2. System LED
3. Power LED
4. Fan LED
5. Locator LED
6. SFP+ link/activity LEDs
7. Stack LED
8. USB port LED
9. QSFP+ link/activity LEDs
Table 19 S4048–ON LED behavior
LED
Description
System Status/Health LED
l
Solid green—Normal operation
l
Blinking green—Booting
l
Solid amber—Critical system error
l
Blinking amber—Non-critical system
error, fan failure, or power supply failure
Power LED
l
Off—No power
Dell S4048-ON Switch FRUs
DELL EMC CONFIDENTIAL
72
Integrated Data Protection Appliance (IDPA)
2.1
Field Replacement Guide