The following tables describe the Brocade ICX 7750-48F switch LED patterns.
PSU1 and PSU2 LEDs
LED state | Status of hardware | Recommended action |
Off (no light) | System is off or there is no power. | Verify the system is on and has completed booting. |
Steady green | PSU is on and functioning properly. | No action required. |
Steady amber | PSU is missing power or in a faulty state. | Verify that the PSU power cord is connected to a functioning power source. |
DIAG LED
LED state | Status of hardware | Recommended action |
Off (no light) | Diagnostic is off. | No action required. |
Blinking green | System self-diagnostic test is in progress. | No action required. |
Steady green | System self-diagnostic test is successfully completed. | No action required. |
Steady amber | System self-diagnostic test has detected a fault. | Contact support. |
MS LED
LED state | Status of hardware | Recommended action |
Off (no light) | Stacking mode is enabled and the switch is a stack member, or the switch is operating in standalone mode. | No action required. |
Steady green | Stacking mode is enabled and the switch is the stack master. | No action required. |
Steady amber | Stacking mode is enabled and the switch is in slave mode. | No action required. |
HA LED
LED state | Status of hardware | Recommended action |
Off (no light) | System high availability mode is disabled. | Verify stacking cables are connected. |
Steady green | System is operating in high availability mode. | No action required. |
Steady amber | System is preparing to operate in high availability mode. | No action required. |
RDNT LED
LED state | Status of hardware | Recommended action |
Off (no light) | System does not have redundant fans or PSUs installed | No action required. |
Steady green | System is operating in redundant mode. | No action required. |
Steady amber | System has redundant fans and PSUs, but software has disabled redundant mode. | No action required. |
Management port left (10/100 Mbps) status LED
LED state | Status of hardware | Recommended action |
Off (no light) | Not cabled. | No action required. |
Steady amber | No traffic being transmitted, but link is up. | No action required. |
Blinking amber | There is traffic and packets are being transmitted or received. | No action required. |
Management port right (1000 Mbps) status LED
LED state | Status of hardware | Recommended action |
Off (no light) | Not cabled. | No action required. |
Steady green | No traffic being transmitted, but link is up. | No action required. |
Blinking green | There is traffic and packets are being transmitted or received. | No action required. |
1/10 GbE SFP+ port LEDs
LED state | Status of hardware | Recommended action |
Off (no light) | Not cabled. | No action required. |
Steady green | Link is up in 10 GbE mode. | No action required. |
Blinking green | There is 10 GbE traffic and packets are being transmitted or received. | No action required. |
Steady amber | Link is up in 1 GbE mode. | No action required. |
Blinking amber | There is 1 GbE traffic and packets are being transmitted or received. | No action required. |
40 GbE mode QSFP+ port LEDs (left-side LED)
LED state | Status of hardware | Recommended action |
Off (no light) | Not cabled. | No action required. |
Steady green | Link is up in 40 GbE mode. | No action required. |
Blinking green | There is 40 GbE traffic and packets are being transmitted or received. | No action required. |
4x10 GbE mode QSFP+ port LEDs
LED state | Status of hardware | Recommended action |
Off (no light) | Not cabled. | No action required. |
Steady amber | Link is up in 10 GbE mode. | No action required. |
Blinking amber | There is 10 GbE traffic and packets are being transmitted or received. | No action required. |
10/100/1000 Mbps UP and DN Ethernet port LEDs
LED state | Status of hardware | Recommended action |
Off (no light) | Not cabled. | No action required. |
Steady green | Link is up in 1 GbE mode. | No action required. |
Blinking green | There is 1 GbE traffic and packets are being transmitted or received. | No action required. |
Steady amber | Link is up in 10/100 Mbps mode. | No action required. |
Blinking amber | There is 10/100 Mbps traffic and packets are being transmitted or received. | No action required. |
Power supply unit LED
LED state | Status of hardware | Recommended action |
Off (no light) | PSU is not powered on. | Verify that the PSU power cord is connected to a functioning power source |
Steady green | PSU is on and functioning properly. | No action required. |
Blinking green (with power cord connected) | External AC input parameters are within an acceptable range but there is no DC output or it is disabled. | Replace the power supply. |
Steady amber | PSU has no DC output. | Replace the power supply. |
Expansion module power LED
LED state | Status of hardware | Recommended action |
Off (no light) | Module is not powered on. | No action required. |
Steady green | Module is on and functioning properly. | No action required. |
Steady amber | Module is on and booting up. | No action required. |
Fan tray LED
LED state | Status of hardware | Recommended action |
Off (no light) | Fan tray is not powered on. | No action required. |
Steady green | Fan tray is on and functioning properly. | No action required. |
Steady amber | Fan tray has nonfunctioning fans. | Replace fan tray. |