
Appendix A Troubleshooting
Reading the LEDs
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| LED | 
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| Appliance Status | Green | On | Standby or ready for operation | |
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 | Green | Blinking | Degraded operation (for example, power | |
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 | supply nonredundancy, part of system | 
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 | memory mapped out of BIOS) | 
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 | Amber | On | One or more critical fault conditions | 
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 | Amber | Blinking | One or more noncritical fault conditions | 
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| Hard Disk Drive | Green | On | HDD activity | |
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 | Amber | On | HDD fault | |
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 | Note This is an aggregated indication for | 
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 | all hard disk drives. Each hard disk | 
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 | drive contains its own activity and | 
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 | fault LEDs. | 
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| NICs (location 4) | Green | On | NIC activity | |
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| System ID (location 5) | Blue | 
 | System identity | |
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 | Note LED can be toggled remotely or by | 
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 | the system’s identity. | 
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NIC LEDs
Figure A-2 shows the NIC 1 and NIC 2 LEDs located on the rear of the appliance. These LEDs indicate the connection activity and speed of the NIC ports. Table A-2  on page A-7 describes the activity and connection speed associated with each LED state.
Figure A-2  NIC 1 and NIC 2 LEDs
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Cisco Application Deployment Engine (ADE) 2130 and 2140 Series Appliance Hardware Installation Guide
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