Dell S4148U-ON EMC PowerSwitch S4100–ON Series Installation Guide M - Page 15

Table 8. QSFP28 and unified QSFP28 port LEDs, Table 5. S4100-ON Series LED behavior continued

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Table 5. S4100-ON Series LED behavior (continued) LED Description ● Solid green-Normal operation; fan powered and running at the expected RPM ● Solid yellow-Fan failed-including incompatible airflow direction when you insert the PSU or fan trays with differing airflows PSU LED ● Off-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, 1.0Hz-Standby mode ● Blinking green, 0.5Hz-Ac power cord unplugged Locator LED/System Beacon ● Off-Locator function is disabled ● Blinking blue-Locator function is enabled 7-Segment LED for stacking ● Off-No power ● Solid green-Hex digit representing the stack unit ID RJ-45 Ethernet LED ● Off-no link and no activity detected ● On-Activity on the port ● Solid yellow-10MHz activity ● Solid green-100MHz activiity ● Blinking green-1GHz activity Table 6. System management Ethernet port LEDs LED Link LED Activity LED Description ● Off-No link ● Solid green-Link operating at a maximum speed- autonegotiated/forced or 1G port ● Solid yellow-Link operating at a lower speed- autonegotiated/forced or 10/100M port ● Off-No link ● Flashing green-Port activity Table 7. SFP+ and unified SFP+ port LEDs LED Link LED Activity LED Description ● Off-No link ● Solid green-Link operating at maximum speed-10G port ● Solid yellow-Link operating at a lower speed-1G port ● Flashing yellow, 1 second on/off-Port beacon ● Off-No link ● Flashing green-Port activity NOTE: There are four LEDs for each QSFP+, QSFP28, and unified QSFP28 port. For each port, 100GbE or 40GbE uses only one LED, 2x50GbE uses two LEDs, and 4x25GbE or 4x10GbE uses all four LEDs. Table 8. QSFP28 and unified QSFP28 port LEDs LED Link/Activity LED Description ● Off-No link S4100-ON Series switch 15

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Table 5. S4100–ON Series LED behavior (continued)
LED
Description
●
Solid green—Normal operation; fan powered and running
at the expected RPM
●
Solid yellow—Fan failed—including incompatible airflow
direction when you insert the PSU or fan trays with
differing airflows
PSU LED
●
Off—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, 1.0Hz—Standby mode
●
Blinking green, 0.5Hz—Ac power cord unplugged
Locator LED/System Beacon
●
Off—Locator function is disabled
●
Blinking blue—Locator function is enabled
7-Segment LED for stacking
●
Off—No power
●
Solid green—Hex digit representing the stack unit ID
RJ-45 Ethernet LED
●
Off—no link and no activity detected
●
On—Activity on the port
●
Solid yellow—10MHz activity
●
Solid green—100MHz activiity
●
Blinking green—1GHz activity
Table 6. System management Ethernet port LEDs
LED
Description
Link LED
●
Off—No link
●
Solid green—Link operating at a maximum speed—
autonegotiated/forced or 1G port
●
Solid yellow—Link operating at a lower speed—
autonegotiated/forced or 10/100M port
Activity LED
●
Off—No link
●
Flashing green—Port activity
Table 7. SFP+ and unified SFP+ port LEDs
LED
Description
Link LED
●
Off—No link
●
Solid green—Link operating at maximum speed—10G port
●
Solid yellow—Link operating at a lower speed—1G port
●
Flashing yellow, 1 second on/off—Port beacon
Activity LED
●
Off—No link
●
Flashing green—Port activity
NOTE:
There are four LEDs for each QSFP+, QSFP28, and unified QSFP28 port. For each port, 100GbE or 40GbE uses only
one LED, 2x50GbE uses two LEDs, and 4x25GbE or 4x10GbE uses all four LEDs.
Table 8. QSFP28 and unified QSFP28 port LEDs
LED
Description
Link/Activity LED
●
Off—No link
S4100–ON Series switch
15