- Notes, Cautions, and Warnings
- About Your System
- Using The System Setup And Boot Manager
- Installing System
Components
- Recommended Tools
- Front Bezel (Optional)
- Opening And Closing The System
- Inside The System
- Cooling Shroud
- System Memory
- Hard Drives
- Removing A 3.5 Inch Hard-Drive Blank
- Installing A 3.5 Inch Hard-Drive Blank
- Removing A Dual Slot Hard-Drive Blank
- Installing A Dual Slot Hard-Drive Blank
- Removing A Hot-Swap Hard Drive
- Installing A Hot-Swap Hard Drive
- Removing A 2.5 Inch Hard Drive From A 3.5 Inch Hard-Drive Adapter
- Installing A 2.5 Inch Hard Drive Into A 3.5 Inch Hard-Drive Adapter
- Removing A Hard Drive Or A Hard-Drive Adapter From A Hard-Drive Carrier
- Installing A Hard Drive Or A Hard-Drive Adapter Into A Hard-Drive Carrier
- Optical Drive (Optional)
- Cooling Fans
- Internal USB Memory Key (Optional)
- Expansion Cards And Expansion-Card Risers
- iDRAC Ports Card (Optional)
- SD vFlash Card
- Internal Dual SD Module
- Internal SD Card
- Integrated Storage Controller Card
- Processors
- Power Supplies
- Removing An AC Power Supply
- Installing An AC Power Supply
- Wiring Instructions For A DC Power Supply
- Removing A DC Power Supply
- Installing A DC Power Supply
- Removing The Power Supply Blank
- Installing The Power Supply Blank
- Removing The Power-Distribution And Power-Interposer Boards
- Installing The Power-Distribution And Power-Interposer Boards
- Removing A Non-Redundant Power Supply
- Installing A Non-Redundant Power Supply
- Removing The Redundant Power Supply Unit Divider
- Installing The Redundant Power Supply Unit Divider
- System Battery
- Hard-Drive Backplane
- Control Panel Assembly
- System Board
- Troubleshooting
Your System
- Troubleshooting System Startup Failure
- Troubleshooting External Connections
- Troubleshooting The Video Subsystem
- Troubleshooting A USB Device
- Troubleshooting A Serial I/O Device
- Troubleshooting A NIC
- Troubleshooting A Wet System
- Troubleshooting A Damaged System
- Troubleshooting The System Battery
- Troubleshooting power supplies
- Troubleshooting Cooling Problems
- Troubleshooting Cooling Fans
- Troubleshooting System Memory
- Troubleshooting An Internal USB Key
- Troubleshooting An SD Card
- Troubleshooting An Optical Drive
- Troubleshooting A Hard Drive
- Troubleshooting A Storage Controller
- Troubleshooting Expansion Cards
- Troubleshooting Processors
- Using System Diagnostics
- Jumpers And Connectors
- Technical Specifications
- System Messages
- Getting Help
Dell PowerEdge R520 Owner's Manual
NIC Indicator Codes
- Indicator
- Indicator Code
- Link and activity indicators are off
- The NIC is not connected to the network.
- Link indicator is green
- The NIC is connected to a valid network at its maximum port speed (1 Gbps or 10 Gbps).
- Link indicator is amber
- The NIC is connected to a valid network at less than its maximum port speed.
- Activity indicator is blinking green
- Network data is being sent or received.
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