Information Panel - IBM eserver xSeries 350 User Reference Manual

Information panel

8
IBM® xSeries 350: User's Reference
The server can be turned off in any of the following ways:
• You can press the power-control button on the front of the server to turn off the
server.
Note: After turning off the server, wait at least five seconds before pressing the
power-control button to turn on the server again.
• You can disconnect the server power cords from the electrical outlets to shut off
power to the server.
Note: Wait about 15 seconds after disconnecting the power cords for your
system to stop running. Watch for the system-power light on the
information panel to stop blinking.
The information panel on the front of the server contains status lights.
The following illustration shows the server information panel.
Hard disk
drive activity
System power
SCSI ACT
System power: When this green light is on, system power is present in the server.
When this light flashes, the server is in standby mode (the system power supply is
turned off and ac current is present). When this light is off, either a power supply, ac
power, or a light has failed.
Notes:
1. If this light is off, it does not mean that there is no electrical current present in the
server. The light might be burned out. To remove all electrical current from the
server, you must unplug the server power cords from the electrical outlets.
2. The power light is located above and between the power-control button and the
reset button.
Hard disk drive activity: This green light is on when there is activity on a hard disk
drive.
Ethernet-link status: When this green light is on, there is an active connection on the
Ethernet port. The Ethernet-link status light is also located on the Ethernet (RJ-45)
connector on the rear of the server.
Ethernet speed: When this green light is on, the Ethernet speed is 100 Mbps. When
the light is off, the Ethernet speed is 10 Mbps.
Ethernet transmit/receive activity: When this green light is on, there is activity
between the server and the network. The Ethernet transmit/receive activity light is
also located on the Ethernet (RJ-45) connector on the rear of the server.
Information: When this amber light is on, the server power supplies are
nonredundant, or some other noncritical event has occurred. Check the diagnostic
Ethernet-link status
Information
TX
LINK 100
OK MB
RX
LINK OK 100 MB TX/RX INFO
Ethernet Ethernet
speed transmit/receive
activity
SYS ERROR
System error