User Guide

Chapter 1: Product Introduction
1-12
1.7.2 LAN (RJ-45) LEDs
ACT/LINK LED SPEED LED
Status Description Status Description
OFF No link OFF 10 Mbps connection
GREEN Linked ORANGE 100 Mbps connection
BLINKING Data activity GREEN 1 Gbps connection
1.7.3 HDD status LED
HDD status LED
HDD status LED HDD activity LED
HDD activity LED
HDD LED Description
HDD Status LED
RED
RAID disk has failed and should be
swapped immediately (Error detected in
the installed HDD)
Blinking RED RAID rebuilding (1Hz)
Blinking RED RAID Locating (4Hz)
HDD Activity LED
GREEN Power ON (HDD detected)
Blinking GREEN Read/write data from/to HDD
OFF HDD not found
SPEED LED
ACT/LINK LED
SPEED LED
ACT/LINK LED
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RS520-E8-RS8 V2 RS520-E8-RS12-EV2