Dell S4248FB-ON Installation Manual page 10

LED
RJ-45 Ethernet LED
Table 2. Management Ethernet port LEDs
LED
Link LED
Activity LED
Table 3. SFP+ port LEDs
LED
Link LED
Activity LED
NOTE: There are four LEDs for each QSFP+ and 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 4. QSFP+ and QSFP28 port LEDs
LED
Link/Activity LED
Link/Activity LED—4x25G mode or 4x10G mode
10 S4200-ON series switch
Description
• Blinking blue—Locator function is enabled
• Off—no link and no activity detected
• On—Activity on the port
• Solid yellow—10MHz activity
• Solid green—100MHz activity
• Blinking green—1GHz activity
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
• Solid yellow — Link operating at a lower speed, 1G
• Flashing yellow, 1 second on/off—Port beacon
• Off—No Link
• Flashing green—Port activity
Description
• Off—No Link
• Flashing green—Port activity operating at maximum speed,
100G for QSFP28 ports or 40G for QSFP+ ports
• Flashing yellow—Port activity operating at a lower speed
• Flashing yellow, 1 second on/off—Port beacon
• Off—No Link
• Flashing green—Port activity at 4x25G on a QSFP28 port or
4x10G on a QSFP+ port
• Flashing yellow—Port activity at 4x10G on a QSFP28 port