Users Guide

Table Of Contents
196 Hardware Overview
Stacking Port LEDs
Table 3-69. QSFP28 Stacking Port LED Definitions
LED Color Definition
Link/Activity
LED
(Bi-color LED)
1st LED: Green/Amber
Solid green Port linked operating at max port speed, for
example, running 100GbE on QSFP28 port.
Green (Luminance at 1.5ft = 45+5 cd/m2)
Blinking green
(~30ms)
The port is actively transmitting/receiving at
max port speed, for example, running 100GbE
on QSFP28 port. Green (Luminance at 1.5ft =
45+5 cd/m2)
Solid amber The port is actively transmitting/receiving at
lower speed, for example, running 50GbE or
25GbE or 10GbE on QSFP28 port. Amber
(Luminance at 1.5ft = 45+5 cd/m2)
Blinking amber
(~30ms)
The port is actively transmitting/receiving at
lower speed, for example, running 50GbE or
25GbE or 10GbE on QSFP28 port. Amber
(Luminance at 1.5ft = 45+5 cd/m2)
Off There is no link.
Blinking amber
with 1 second on
and 1 second off
.Port Beacon. Amber (Luminance at 1.5ft =
180+10 cd/m2)