Table 13 S4048–ON LED behavior (continued)
LED
Description
l
Solid Green—Normal
l
Solid amber—POST is in process
l
Blinking amber—Power supply failed
MASTER LED
l
Off—Switch is in Stacking Slave mode
l
Solid green—System is in Stacking
Master or Standalone mode
FAN LED
l
Solid green—fan powered and running at
the expected RPM
l
Solid amber—fan failed including
incompatible airflow direction when you
insert the PSU or fan trays with differing
airflows
PSU LED
l
Solid green—Normal operation
l
Solid amber—Power supply critical event
causing a shutdown
l
Blinking amber—Power supply warning
event; power continues to operate.
LOCATOR LED
l
Off—Locator function is disabled
l
Blinking blue—Locator function is
enabled
Table 14 Management Ethernet port LEDs
LED
Description
Link LED
l
Off—No Link
l
Solid green—Link on 1 Gbps speed
l
Solid yellow—Link on 10/100 Mbps
speeds
Table 15 SFP+ port LEDs
LED
Description
Link LED
l
Off—No Link
l
Solid green—Link on 10 Gbps speed
l
Solid Amber—Link on 1 Gbp speed
Note
If you are using 1x40G, one LED displays. If
you are using 4x10G, four LEDs display.
Dell S4048-ON Switch FRUs
DELL EMC CONFIDENTIAL
S4048-ON front panel indicators
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