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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.
Power-supply connector: Connect the power cord to this connector.
SMP Expansion Port 1 link LED: When this LED is lit, it indicates that there is an
active connection on SMP Expansion Port 1.
SMP Expansion Port 1 connector: Use this connector to connect the server to
other servers to form multi-node configurations.
SMP Expansion Port 2 connector: Use this connector to connect the server to
other servers to form multi-node configurations.
SMP Expansion Port 2 link LED: When this LED is lit, it indicates that there is an
active connection on SMP Expansion Port 2.
SMP Expansion Port 3 connector: Use this connector to connect the server to
other servers to form multi-node configurations.
SMP Expansion Port 3 link LED: When this LED is lit, it indicates that there is an
active connection on SMP Expansion Port 3.
Server power features
When the server is connected to an ac power source but is not turned on, the
operating system does not run, and all core logic except for the service processor is
shut down; however, the server can respond to requests from the service processor,
such as a remote request to turn on the server. The power-on LED flashes to
indicate that the server is connected to ac power but not turned on.
12 IBM System x3950 Type 8878 and System x3950 E Type 8879: User’s Guide