Status Indicators
Front Indicators
Switch Indicators
Front panel LEDs are located on the right side of the chassis and display system, fan, and power supply status. Appendix D displays the front panels of all switches covered by this guide.
Figure A-1 shows 7124SX front panel LEDs.
Figure A-1: System Status Indicators
 
Table A-1 System Status LED States
LED State
Status
Blinking Green
System powering up.
Green
All power supplies and fans are operating normally.
Blue
The locator function is active.
Red
A power supply or fan is missing or in a failed state.
 
Table A-2 Fan Module Status LED States
LED State
Status
Green
All fans are operating normally.
Red
One or more fans are not inserted or have failed.
 
Table A-3 Power Supply Status LED States
LED State
Status
Off
Power supply is not inserted or is not powered.
Green
Power supply operating normally.
Red
Power supply has failed.
Port Indicators
Figure A-2 displays the Port LED location on the 7124SX switch.
Figure A-2: Port LEDs
 
Table A-4 Port LED States
LED State
Status
Off
Port link is down.
Green
Port link is up.
Yellow
Port is software disabled.
Flashing Yellow
Port failed diagnostics.
Rear Status Indicators
Fan and power supply modules are accessed from the rear panel. Appendix E displays the rear panel of all switches covered by this guide.
Each fan and power supply module contains an LED that reports the module status.The Fan Status LEDs are on the fan modules, as displayed in Figure A-3.
Figure A-3: Fan Status LED
 
Table A-5 Fan Status LED States
LED State
Status
Off
The fan module is inserted but not receiving power – it may not be properly seated.
Green
The fan is operating normally.
Red
The fan has failed.
The Power Supply Status LEDs are on the power supply modules, as displayed in Figure A-4.
Figure A-4: Power Supply Status LED
 
Table A-6 Power Supply Status LED States
LED State
Status
Off
No AC power to any power supply.
Green
Power supply operating normally.
Amber
AC loss to this power supply (in redundant mode).