IBM System x3800 Problem Determination And Service Manual page 23

System serial connector: Connect a 9-pin serial device to this connector.
SP Serial connector: Connect a 9-pin serial device to this connector.
Fan error LED: This LED is on the power supply filler. When this LED is lit, it
indicates that the fan has failed.
Mouse connector: Connect a mouse or other device to this connector.
Keyboard connector: Connect a keyboard to this connector.
Remote Supervisor Adapter II SlimLine status LED: When this LED flashes, it
indicates that there is activity on the Remote Supervisor Adapter II SlimLine. When
this LED is lit continuously, it indicates that there is a problem with the Remote
Supervisor Adapter II SlimLine.
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IXA RS485 connector: Use this connector to connect to an iSeries server when
an Integrated xSeries Adapter (IXA) is installed. The cable for this connection
comes with the server.
I/O board error LED: This LED is on the I/O board and is visible on the rear of the
server. When this LED is lit, it indicates that there is a problem with the I/O board.
Gigabit Ethernet 2 activity LED: This LED is on the Gigabit Ethernet 2 connector.
When this LED flashes, it indicates that there is activity between the server and the
network.
Gigabit Ethernet 2 connector: Use this connector to connect the server to a
network.
Gigabit Ethernet 2 link LED: This LED is on the Gigabit Ethernet 2 connector.
When this LED is lit, it indicates that there is an active connection on the Ethernet
port.
Gigabit Ethernet 1 activity LED: This LED is on the Gigabit Ethernet 1 connector.
When this LED flashes, it indicates that there is activity between the server and the
network.
Gigabit Ethernet 1 connector: Use this connector to connect the server to a
network.
Gigabit Ethernet 1 link LED: This LED is on the Gigabit Ethernet 1 connector.
When this LED is lit, it indicates that there is an active connection on the Ethernet
port.
DC power LED: 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.
AC power LED: 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.
7
Chapter 1. Introduction