The following sections describe the meanings of the LEDs on the Summit X770 series switches.
| Label or Type | Color/State | Meaning |
|---|---|---|
| M (Management) | Slow blinking green (1 Hz) | Normal operation |
| Fast blinking green (2 Hz) | Power-on self test (POST) in progress or Switch diagnostics are running |
|
| Steady green | POST passed: system is booting image | |
| Blinking amber | System is disabled: POST failed or system overheated | |
| Off | No external power is attached | |
| FAN 1, 2, 3, 4, 5 |
Steady green | Normal operation. |
| Blinking amber | Failure. | |
| Off | No power. | |
| P1, P2 (Power Supply) |
Steady green | Normal operation. |
| Steady amber | Power is attached, but no power is on. | |
| Blinking amber | Power failure. | |
| Off | No power is attached. | |
| Ethernet Ports 40G mode 1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 50 51, 52, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89, 93, 97, 101, 102, 103, 104 | Steady blue | Link OK. |
| Blinking blue | Activity on the indicated port. | |
| Off | No link or port disabled. | |
| Ethernet Ports 10G mode 1-104 | Steady green | Link OK |
| Blinking green | Activity on the indicated port | |
| Off | No 10G link or port disabled. |
| Label or Type | Color/State | Meaning |
|---|---|---|
| Left digit (1) | Reserved for future use. | |
| Right digit (1 – 8) | Indicates the position of this switch in the SummitStack configuration. | |
| Upper half blinking | This switch is the stack master node. | |
| Lower half blinking | This switch is the stack backup node. | |
| Lit steadily | This switch is a standby node in the stack. | |
| Stacking Ports 40G mode (V160 and V320 stacking) ports 101, 102, 103, and 104 |
Steady blue | Link OK |
| Blinking blue | Activity | |
| Off | No link or port disabled. | |
| Stacking Ports 10G mode (Alternate stacking) ports 103 and 104 | Steady green | Link OK |
| Blinking green | Activity | |
| Off | No link or port disabled | |