The QSFP-DD port LEDs are located below the QSFP-DD ports on the front panel of the switch. The LEDs are triangular and point to the port they support (up for the top QSFP-DD port, down for the bottom QSFP-DD port), as shown in QSFP-DD Port LEDs.
The sub-channel selector button and LEDs are located on the left-hand side of the front panel of the switch, above the Advanced Services/Processing Offload port, as shown in QSFP-DD Sub-channel Selector Button and LEDs. Pushing the sub-channel selector button cycles through sub-channels 1 through 8.
The meaning of the colors and states for the LED are described in QSFP-DD Port and Sub-channel Selector LEDs.
| Channel indicator | |||
|---|---|---|---|
| LED 0 | LED1 | LED 2 | QSFP-DD sub-channel |
| Off | Off | Off | 1 |
| Off | Off | Green | 2 |
| Off | Green | Off | 3 |
| Off | Green | Green | 4 |
| Green | Off | Off | 5 |
| Green | Off | Green | 6 |
| Green | Green | Off | 7 |
| Green | Green | Green | 8 |