NETGEAR ReadyNAS 4200 - Page 17

Chapter 2: Diagnostics and Maintenance | 17
ReadyNAS 4200 Hardware Manual
LAN LEDs
On (Green)
Blink (Green)
Off
Green: Power is on and LAN cable connected.
Blink green: LAN activity.
Off: LAN cable disconnected.
Power
diagnostic
LED
On (Red)
Off
Red: Power failure.
Off: Normal operation.
FAN LED
On (Red)
Off
Red: Overheating or fan failure.
Off: Normal operation.
Upper disk
tray LED: 
disk presence
On (Green)
Blink (Green)
Off
Green: Unit is on and disk installed.
Blinking green: Volume activity.
Off: No disk installed, or no volume present.
Lower disk
tray LED: 
disk failure On (Amber)
Off
On: Disk failed.
Off: If a disk is installed, the disk operation is normal.
Rear
panel
Ethernet
Ports
On (Green)
On (Amber)
Off
Green: The LAN port is operating at 1,000 Mbps.
Amber: The LAN port is operating at 100 Mbps.
Off: The LAN port is operating at 10 Mbps.
Rear panel
10Gb port
s;
CX4 or SFP
On (Green)
On (Amber)
Off
Green: The port is operating at 10 Gb link speed.
Blinking green: Indicates activity on the port.
Amber: The port is operating at 1 Gb link speed.
Off: No activity.
Item Activity Description