IBM X 330 Series, Installation Manual

Page: 35 / 76

Chapter 3. Server power, controls, and indicators
23
System-error light: This amber LED lights when a system error occurs. An LED on
the Light Path Diagnostics™ panel on the system board will also be on to further
isolate the error.
Diskette drive activity light: When this LED is on, it indicates that the diskette drive
is in use.
Diskette-eject button: Push this button to release a diskette from the drive.
CD-eject button: Push this button to release a CD from the drive.
CD-ROM drive activity light: When this light is on, it indicates that the CD-ROM
drive is in use.
Rear view
Ethernet 1 speed indicator: This green LED lights when the speed of the Ethernet
LAN that is connected to Ethernet port 1 is 100 Mbps.
Ethernet 1 link indicator: This green LED lights when there is an active link
connection on the 10BASE-T or 100BASE-TX interface for Ethernet port 1.
Advanced System Management: The RS-485 ports are used for creating a system
management bus between several servers. See “Configuring the ASM processor” on
page 28 for information about configuring the system management processor.
Select light: This green LED lights when the monitor, keyboard, and mouse are
logically connected to this server. This light duplicates the Select button LED on the
front of the server.
C2T (Out) port: This port is used to connect the server to a keyboard, monitor, and
pointing device. It is also used to connect multiple servers together to share a single
keyboard, monitor, and pointing device.
Serial port: Signal cables for modems or other serial devices are connected here to
the 9-pin serial port connector.
C2T (In) port: This port is used to connect multiple servers together to share a single
keyboard, monitor, and pointing device.
USB 2 connector: This connector is used to attach Universal Serial Bus (USB) to
Universal Serial Bus 2.
Ethernet 1 speed
indicator (green)
Ethernet 2 speed
indicator (green)
Ethernet 1 link
indicator (green)
Ethernet 2 link
indicator (green)
Power-on light
(green)
Select light (green)
System error
light (amber)
Advanced systems
management RS-485
Serial port
USB 1
USB 2
C2T (in) port
C2T (out) port