Dell S4112F EMC S4112–ON Series Installation Guide October 2021 - Page 11

Table 2. S4112-ON Series LED behavior, Table 3. System management Ethernet port LEDs

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Table 2. S4112-ON Series LED behavior LED System Status/Health LED Power LED FAN LED PSU LED Locator LED/System Beacon Master LED 7-segment LED Table 3. System management Ethernet port LEDs LED Link LED Activity LED Table 4. SFP+ port LEDs LED Link LED Activity LED Description ● Solid green-Normal Operation ● Flashing green-Booting ● Solid yellow-Critical system error ● Flashing yellow-Noncritical system error, fan failure, or power supply failure ● Off-No power ● Solid green-Normal ● Solid yellow-POST is in process ● Flashing yellow-Power Supply failure or loss of power redundancy ● Off-No power ● Solid green-Fan powered and running at the expected RPM ● Flashing yellow-Fan failed or loss of cooling redundancy ● Off-No power ● Solid green-Normal ● Flashing yellow-PSU failure ● Flashing green-FW update ● Off-Locator function is disabled ● Flashing blue-Locator function is enabled ● Off-system is the stack slave ● Solid green-System is the stack master or a standalone unit ● Off-No power ● Solid green-displays a hex digit representing the stack unit ID Description ● Off-No link ● Solid green-Link operating at a maximum speed, autonegotiated/forced or 1G ● Solid yellow-Link operating at a lower speed, autonegotiated/forced or 10/100M ● Off-No link ● Flashing green-Port activity Description ● Off-No link ● Solid green-Link operating at maximum speed-10G on an SFP+ port ● Solid yellow-Link operating at a lower speed-1G on an SFP+ port ● Off-No link ● Flashing green-Port activity ● Solid blue, 1 second on/off-Port beacon S4112-ON Series switch 11

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Table 2. S4112–ON Series LED behavior
LED
Description
System Status/Health LED
●
Solid green—Normal Operation
●
Flashing green—Booting
●
Solid yellow—Critical system error
●
Flashing yellow—Noncritical system error, fan failure, or
power supply failure
Power LED
●
Off—No power
●
Solid green—Normal
●
Solid yellow—POST is in process
●
Flashing yellow—Power Supply failure or loss of power
redundancy
FAN LED
●
Off—No power
●
Solid green—Fan powered and running at the expected
RPM
●
Flashing yellow—Fan failed or loss of cooling redundancy
PSU LED
●
Off—No power
●
Solid green—Normal
●
Flashing yellow—PSU failure
●
Flashing green—FW update
Locator LED/System Beacon
●
Off—Locator function is disabled
●
Flashing blue—Locator function is enabled
Master LED
●
Off—system is the stack slave
●
Solid green—System is the stack master or a standalone
unit
7-segment LED
●
Off—No power
●
Solid green—displays a hex digit representing the stack
unit ID
Table 3. System management Ethernet port LEDs
LED
Description
Link LED
●
Off—No link
●
Solid green—Link operating at a maximum speed,
autonegotiated/forced or 1G
●
Solid yellow—Link operating at a lower speed,
autonegotiated/forced or 10/100M
Activity LED
●
Off—No link
●
Flashing green—Port activity
Table 4. SFP+ port LEDs
LED
Description
Link LED
●
Off—No link
●
Solid green—Link operating at maximum speed—10G on
an SFP+ port
●
Solid yellow—Link operating at a lower speed—1G on an
SFP+ port
Activity LED
●
Off—No link
●
Flashing green—Port activity
●
Solid blue, 1 second on/off—Port beacon
S4112–ON Series switch
11