Dell EMC PowerSwitch S4100-ON Series - Page 16

LED Description
• Blinking green, 1.0Hz—Standby mode
• Blinking green, 0.5Hz—Ac power cord unplugged
Locator LED/System Beacon
• O—Locator function is disabled
• Blinking blue—Locator function is enabled
7-Segment LED for stacking
• O—No power
• Solid green—Hex digit representing the stack unit ID
RJ-45 Ethernet LED
• O—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
• O—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
• O—No link
• Flashing green—Port activity
Table 7. SFP+ and unied SFP+ port LEDs
LED Description
Link LED
• O—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/o—Port beacon
Activity LED
• O—No link
• Flashing green—Port activity
NOTE: There are four LEDs for each QSFP+, QSFP28, and unied 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 unied QSFP28 port LEDs
LED Description
Link/Activity LED
• O—No link
• Solid green—Link operating at maximum speed—100G for
QSFP28 port
16 S4100–ON Series switch