Status Indicators
A.1 Front Indicators
A.1.1 Switch Indicators
Front panel LEDs are located on the right side of the chassis and display system, fan, and power supply status. Appendix C displays the front panels of all switches covered by this guide.
Figure A-1 displays the DCS-7050SX-128 front panel LEDs.
Figure A-1: System Status Indicators
 
1
System status LED
3
Power supply module 1 status LED
   
2
Fan status LED
4
Power supply module 2 status LED
   
 
Table A-1 Switch Indicators LED States
LED Name
LED State
Device Status
System 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.
Fan Status
Green
All fans are operating normally.
Red
One or more fans are not inserted or have failed.
Power Supply 1 Status
Power Supply 2 Status
Off
Power supply is not inserted or is not powered.
Green
Power supply operating normally.
Red
Power supply has failed.
Note Arista fixed systems take approximately 5-10 minutes to boot completely.
A.1.2 Port Indicators
Port LEDs, located in the vicinity of their corresponding ports, provide link and operational status. Figure A-2 displays the Port LED location on the DCS-7050SX-128 switch. Appendix C displays the port LED locations of all switches covered by this guide.
Figure A-2: Port LEDs
 
1
Upper port (1) LED
3
Upper port (49) LED
   
2
Lower port (2) LED
4
Lower port (50) LED
   
 
 
 
Table A-2 provides status conditions that correspond to port LED states. Port LED behavior for QSFP+ and SFP+ ports is consistent.
 
Table A-2 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.
A.2 Rear Status Indicators
Fan and power supply modules are accessed from the rear panel. Each fan and power supply module contains an LED that reports the module status. Appendix D displays the rear panel of all switches covered by this guide.
Fan Status LEDs are on the fan modules, as displayed in Figure A-3.
Figure A-3: Fan Status LED
 
1
Module installation indicator
       
2
Fan module status LED
       
The module installation indicator is green when the fan module is properly installed or red when the module is not fully installed. Table A-3 provides status conditions that correspond to fan status LED states.
Table A-3 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
 
1
Power supply status LED
       
 
Table A-4 provides status conditions that correspond to power supply status LED states.
Table A-4 Power Supply Status LED States
LED State
Status
Off
Power supply not connected to AC power or not inserted fully.
Green
Power supply operating normally.
Amber
Power supply has overheated or failed.