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Chapter 2: Installation
2.9 LED Indicators
LAN Port LEDs
The IPMI Ethernet port has two LED indicators. The Activity LED is yellow and indicates
connection and activity. The Link LED may be green, amber, or off to indicate the speed of
the connection. Refer to the tables below for more information.
LAN1/2 LED
(Connection Speed Indicator)
LED Color
Definition
Off
10 Mb/s
Green
100 Mb/s
Amber
1 Gb/s
Activity Indicator
Color
Status
Definition
Off
No Connection
Yellow
Flashing
Active
Onboard Power LED
PWROK LED is an onboard power LED. When this LED is lit, it means system is in power-on
state, and the onboard power status is ok. Turn off the system and unplug the power cord
before removing or installing components.
Onboard Power LED Indicator
LED Color
Definition
Off
System Off (power cable not connected)
Green
System On, Power OK
BMC Heartbeat LED
A BMC Heartbeat LED is located at BMC_HB LED on the serverboard. When BMC_HB LED
is blinking, BMC functions normally. See the table below for more information.
BMC Heartbeat LED States
Color
State
Definition
Green
Solid On
BMC is not ready.
Green
Blinking
BMC Normal
Green
Fast Blinking
BMC: Initializing
Unit Identified LED
The Rear UIO LED is located next to the UID switch. The UID indicators provide easy
identification of a system unit that may be in need of service.
UID LED Status
LED State
Status
Solid On
Local Unit Identified
Blinking
Remote Unit Identified
