TYAN B3970-U, Service Engineer'S Manual

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6 Chapter 1: Overview
1.5.3 LED Definition
Front Panel
Rear I/O LED
LED Color State Description
Power Green
OFF ON
OFF Power ON
Power OFF
HDD Activity Amber
OFF Random Blink
OFF HDD access activity
No disk activity
LAN1/LAN2 Activity Green
Green
OFF ON
Blinking
OFF LAN linked
LAN accessing
No LAN linked
Warning Red
OFF ON
OFF Fan fails
Normal
ID LED Blue
OFF ON
OFF System is identified
System is not identified
Hot Swappable HDD
Tray Power LED Green
OFF ON
OFF Power connected
Power disconnected
Hot Swappable SATA
HDD Access LED Amber
OFF Random Blinking
OFF HDD access activity
No disk activity
Hot Swappable SAS
HDD Access LED Amber
Amber
OFF ON
Random Blinking
OFF HDD ready
HDD access activity
HDD not ready
LED Color State Description
RJ45 NIC1 Linkage
(Left Side) Green
Green
OFF ON
Blinking
OFF LAN linked
LAN accessing
No LAN linked
RJ45 NIC1 Mode
(Right Side) Amber
Green
OFF ON
ON
OFF Gigabit mode
100M mode
10M mode
RJ45 NIC2 Linkage
(Left Side) Green
Green
OFF ON
Blinking
OFF LAN linked
LAN accessing
No LAN linked
RJ45 NIC2 Mode
(Right Side) Amber
Green
OFF ON
ON
OFF Gigabit mode
100M mode
10M mode
ID LED Blue
OFF ON
OFF System is identified
System is not identified