Mouse
Keyboard
Serial 1
(COM 1)
Parallel
Power cords
Video
USB 4
(RJ45) Ethernet 10/100/1000
(RJ45) Ethernet 10/100
(for Remote Supervisor Adapter II
SlimLine)
USB 3
NMI button
Serial 2
(COM 2)
Power-cord connector
Connect the power cord to this connector.
Mouse connector
Connect a mouse device to this connector.
Keyboard connector
Connect a PS/2 keyboard to this connector.
Serial 1 connector
Connect a 9-pin serial device to this connector.
Parallel connector
Connect a parallel device to this connector.
Video connector
Connect a monitor to this connector.
USB connectors
Connect USB devices to these connectors.
Ethernet connector
Use this connector to connect the server to a network.
Serial 2 connector
Connect a 9-pin serial device to this connector.
Ethernet transmit/receive activity LED
This LED is on the Ethernet connector on the rear of the server. When this
LED is lit, it indicates that there is activity between the server and the
network.
Ethernet link status LED
This LED is on the Ethernet connector on the rear of the server. When this
LED is lit, it indicates that there is an active connection on the Ethernet
port.
14 System x3400 Types 7973, 7974, 7975, and 7976: User’s Guide