Dell S4100–ON Series User Manual

Figure 7. 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—Critical system error
• Blinking yellow—Noncritical system error, fan failure, or power
supply failure
Power LED
• O—No power
• Solid green—Normal operation
• Solid yellow—POST is in process
• Blinking yellow—Power Supply failure
Master LED
• O—Switch is in Stacking Slave mode
• Solid green—Switch is in Stacking Master or Standalone mode
FAN LED
• O—No power
• Solid green—Normal operation; fan powered and running at the
expected RPM
• Solid yellow—Fan failed—including incompatible airow
direction when you insert the PSU or fan trays with diering
airows
PSU LED
• O—No power
• Solid green—Normal operation
• Solid yellow—Power supply critical event causing a shutdown.
• Blinking yellow—PSU warning event; power continues to
operate
• Blinking green, 1.0 Hz—Standby mode
• Blinking green, 0.5 Hz—Ac power cord unplugged
Locator LED/System Beacon
• O—Locator function is disabled
S4100–ON Series switch 11

Dell S4100–ON Series Specifications

General

Brand	Dell
Model	S4100–ON Series
Category	Switch
Language	English