LED
Description
•
Solid green—Link on maximum speed, 1 Gbps speed.
•
Solid amber—Link on lower speed, 10/100 Mbps speeds.
•
Flashing green—Port activity.
Stacking ID
•
Stack unit number.
Management Port LED
•
Off—No link or activity.
•
Solid green—Port link on maximum speed.
•
Solid amber—Port link on lower speed.
•
Flashing green—Port activity.
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.
10
The Z9100–ON system
