QSFP28 Port LEDs

Each port has one LED to indicate channel status. A channel selector switch enables you to display the status of individual channels. The selected channel is indicated in the display. The following table describes the states for the LED.

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QSFP28 Port LEDs
Location of the QSFP28 Port LEDs
4 Bit Selector Panel (Bit 3, 2, 1, 0) QSFP28 Channel Description Port LED (if Error) Port LED (if no error)
0 0 0 0 0 (Default) - Port and all channels (Default) Indicate any error on port and all 4 lanes for any errors Red or Yellow - if any error on port or any of the 4 lanes Green - if no error on port and any of the 4 lanes
0 0 0 1 1 Indicate error on Lane 1 Red or Yellow - if any error on lane 1 Green - if no error on lane 1
0 0 1 0 2 Indicate error on Lane 2 Red or Yellow - if any error on lane 2 Green - if no error on lane 2
0 1 0 3 Indicate error on Lane 3 Red or Yellow - if any error on lane 3 Green - if no error on lane 3
1 0 0 4 Indicate error on Lane 4 Red or Yellow - if any error on lane 4 Green - if no error on lane 4

The following are the port/channel LED indications:

100G Link/Activity White The port is linked
Blinking white The port has link established and there is data activity
Off No link
40G Link/Activity Blue The port is linked
Blinking blue The port has link established and there is data activity
Off No link
25G Link/Activity Green The port is linked
Blinking green The port has link established and there is data activity
Off No link
10G Link/Activity Yellow The port is linked
Blinking yellow The port has link established and there is data activity
Off No link
Fault Fault detected Red Local fault detected
Blinking red Remote fault detected.