Specifications

8 Chapter 1: Overview
1.5.3 LED Definitions
Front Panel
Rear I/O LED *
Right or Left is viewed from the rear.
LED Color State Description
Power Green
OFF
ON
OFF
Power ON
Power OFF
HDD Activity Amber
OFF
Blinking
OFF
HDD/DVD-ROM
access activity
No disk activity
LAN1/LAN2/Linkage Green
Green
OFF
ON
Blinking
OFF
LAN linked
LAN accessing
No LAN linked
Fail Red
OFF
ON
OFF
System fails
Abnormal power off
Normal
Hot Swappable HDD
Tray Power LED
Green
OFF
ON
OFF
Power connected
Power disconnected
Hot Swappable
HDD Tray Active LED
SAS
HDD
Green
Green
OFF
ON
Blinking
OFF
HDD ready
HDD access activity
HDD not ready
SATA
HDD
Green
OFF
Blinking
OFF
HDD access activity
No disk activity
LED Color State Description
LAN1/LAN2 Linkage/
Activity (Left Side)
Green
Green
OFF
ON
Blinking
OFF
10Mb/100Mb/1000Mb linked
10Mb/100Mb/1000Mb activity
No LAN linked and activity
LAN1/LAN2 Linkage/
Activity (Right Side)
Yellow 1 Blinking
2 Blinking
3 Blinking
OFF
10Mb mode
100Mb mode
1000Mb mode
NO LAN linked and activity
Note: In 10 Mbps, the Right LED blinks yellow once in repeat and continuous action. In
100 Mbps, the Right LED blinks yellow twice in repeat and continuous action. So
does the condition in 1000 Mbps.
ID LED Blue
OFF
ON
OFF
System is identified
System is not identified
Zippy Power
Supply LED
Green
Green
Amber
Amber
OFF
ON
1Hz Blinking
ON
1Hz Blinking
OFF
Output ON and OK
AC present/Only 5Vsb ON
Power supply critical event causing a
shutdown: failure, OCP, OVP, fan fail
Power supply warning event where
the power supply continues to oper-
ate: high temp., high power, high cur-
rent, slow fan
No AC power