Rear View - IBM System x3250 M4 Installation & User Manual

v Hot-swap hard disk drive status LEDs (some models): This LED is used on

Rear view

Note: The illustrations in this document might differ slightly from your hardware.
The following illustration shows the LEDs and connectors on the rear of the fixed
power-supply model.
AC Power LED
(green)
The following illustration shows the LEDs and connectors on the rear of the
redundant power-supply model.
AC Power LED
(green)
v Ethernet link LEDs: When these LEDs are lit, they indicate that there is an
v Ethernet activity LEDs: When these LEDs are lit, they indicate that there is
v AC power LED: This LED is used on power supply with Active Energy Manager
v DC power LED: This LED is use on power supply with AEM. This green LED
SAS or SATA hard disk drives. When this LED is lit, it indicates that the drive has
failed. If an optional IBM ServeRAID controller is installed in the server, when this
LED is flashing slowly (one flash per second), it indicates that the drive is being
rebuilt. When the LED is flashing rapidly (three flashes per second), it indicates
that the controller is identifying the drive.
Power-cord
connector
DC Power LED
Power-supply
(green)
error LED
(amber)
Power-cord
connector
AC
DC
DC Power LED
Power-supply
(green)
error LED
(amber)
active link connection on the 10BASE-T, 100BASE-TX, or 1000BASE-TX
interface for the Ethernet port.
activity between the server and the network.
(AEM). This green LED provides status information about the power supply.
During typical operation, both the ac and dc power LEDs are lit. For any other
combination of LEDs, see the Problem Determination and Service Guide on the
IBM System x Documentation CD.
provides status information about the power supply. During typical operation, both
Ethernet 1 Ethernet 2
Ethernet 1
activity LED link LED
link LED
Serial
connector
NMI button
USB 3-4 connector
Video USB 1-2 connector
connector
Ethernet 1 Ethernet 2
Ethernet 1
activity LED link LED
link LED
Serial
connector
AC
DC
NMI button
USB 3-4 connector
Video USB 1-2 connector
connector
Chapter 1. The System x3250 M4 server
Ethernet 2
PCI slot 1
activity LED
Ethernet 2
PCI slot 1
activity LED
PCI slot 2
PCI slot 2
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