Table 1. Z9100–ON LED behavior (continued)
LED Description
Fan LED
● Off—No powe.r
● Solid green—Fan powered and running at the expected
RPM.
● Flashing amber—Fan failed or incompatible airflow
direction, PSU or fan trays with differing airflows.
Power LED
● Off—No power.
● Solid green—Normal operation.
● Solid amber—POST in progress.
● Blinking amber—Noncritical system error; PSU fan failure
or power supply failure.
Table 2. QSFP28 port LEDs
LED Description
Link LED
● Off—No link.
● Solid green—Port activity operating at maximum port
speed.
● Solid amber—Port activity operating at lower speed.
Activity LED
● Off—No link.
● Flashing green, ~30 ms—Port activity operating at
maximum port speed.
● Flashing amber, ~30 ms—Port activity operating at lower
port speed.
Table 3. QSFP28 port LEDs for 4x25 GbE or 4x10 GbE mode
LED Description
Link LED
● Off—No link.
● Solid green—Port link is 4x25 GbE.
● Solid amber—Port link is 4x10 GbE.
Activity LED
● Off—No link
● Flashing green, ~30 ms—Port link is 4x25 GbE.
● Flashing amber, ~30 ms—Port link is 4x10 GbE.
Table 4. QSFP28 port LEDs for 2x50 GbE mode
LED Description
Link LED
● Off—No link.
● Solid green—Port link is 2x50 GbE.
Activity LED
● Off—No link
● Flashing amber, ~30 ms—Port link is 2x50 GbE.
Table 5. SFP+ port LEDs
LED Description
Link LED
● Off—No link.
● Solid green—Link operating at maximum port speed.
● Solid amber—Link operating at lower speed.
Activity LED
● Off—No link.
● Flashing green, ~30 ms—port activity.
● Flashing amber, ~30 ms—port activity.
The Z9100–ON switch 9