Install Guide

LED Description
• Flashing yellow—PSU warning event; power continues to
operate
• Flashing green, 1.0Hz—Standby mode
• Flashing green, 0.5Hz—AC power cord unplugged
LOCATOR LED/System Beacon
• Off—Locator function disabled
• Flashing blue—Locator function enabled
7-Segment LED for stacking
• Off—No power
• Solid green—Hex digit representing the stack unit ID
RJ-45 Ethernet Port LED
• Off—no Ethernet activity detected
• Solid green—Ethernet activity detected
Table 2. 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
NOTE: There are four LEDs for each SFP+ 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 3. SFP+ port LEDs
LED Description
Link LED
• 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
Activity LED
• Off—No link
• Flashing green—port activity
Table 4. QSFP28 port LEDs
LED Description
Link/Activity LED—100G, 40G, or 10G
• Off—No link
• Solid green—Link operating at maximum speed, 100G for
QSFP28 port
• Flashing green—Port activity operating at maximum speed,
100G for QSFP28 ports
• Solid yellow—Port activity operating at a lower speed, 40G or
10G port
• Flashing yellow, 1 second on/off—Port beacon
Link/Activity LED—4x25G mode or 4x10G mode
• Off—No link
• Solid green—Link operating at maximum speed, 4x25G port
• Flashing green—Link activity operating at maximum speed,
4x25G port
10 Z9264F-ON switch