Rear
Kensington
Security Slot
USB
Type A Port
LAN
Ports
eSATA
Ports
Power In
Reset
System Fan
System Fan
2.4. LED BEHAVIOR
LED Name
Color
State
Description
Status
Green
Solid
The unit is operating normally.
Amber
Blinking
Indicates one of the following states:
• Volume degraded
• Volume crashed
• Volume not created
• Synology DSM is not installed
Off
The drives are in hibernation.
Drive Activity LEDs #1-5
Green
Solid
The corresponding drive is ready and idle.
Blinking
The corresponding drive is being accessed.
Amber
Solid
Indicates a drive error for the corresponding drive.
Off
No internal drive installed in the corresponding drive bay, or
the drive is in hibernation.
Power
Blue
Solid
Indicates that the unit is powered on.
Blinking
The unit is booting up or shutting down.
Off
The unit is powered off.
Left Rear LAN LEDs #1-4 (left side of
each jack)
Green
Solid
The network is connected.
Blinking
Indicates that network activity is happening.
Off
There is no network connected or the Ethernet cable is
disconnected.
Right Rear LAN LEDs #1-4 (right side of
each jack)
Green
Solid
1 Gbps connection
Orange
Solid
100 Mbps connection
Off
10 Mbps connection or no network detected
ioSafe 1520+ User Manual
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Содержание 1520+
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