Chapter 2. Compute Node Components; Power, Controls, And Indicators; Compute Node Controls, Connectors, And Leds - Lenovo ThinkSystem SN550 Maintenance Manual

Chapter 2. Compute node components

Use the information in this section to learn about each of the components associated with your compute
node.

Power, controls, and indicators

Use this information to view power features, turn on and turn off the compute node, and view the functions of
the controls and indicators.

Compute node controls, connectors, and LEDs

Use this information for details about the controls, connectors, and LEDs.
The following illustration identifies the buttons, connectors, and LEDs on the control panel.
Figure 3. Compute node control panel buttons, connectors, and LEDs
Table 4. Compute node control panel buttons, connectors, and LEDs
1
USB 3.0 connector
2
KVM connector
3
Drive activity LED (green)
4
Drive status LED (yellow)
1 USB 3.0 connector
Connect a USB device to this USB 3.0 connector.
Note: It is best practice to connect a USB device to the front of only one compute node at a time in each
Lenovo Flex System chassis.
2 KVM connector
Connect the console breakout cable to this connector (see "KVM cable" on page 16 for more
information).
Attention: Use only the console breakout cable that comes with the chassis. Attempting to connect
other console breakout cable types might damage the console breakout cable and the compute node.
Note: It is best practice to connect the console breakout cable to only one compute node at a time in
each Lenovo Flex System chassis.
3 Drive activity LED (green)
Green LEDs are on all hot swap drives. When this green LED is lit, it indicates that there is activity on the
associated hard disk drive or solid-state drive.
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5
Power button/LED (green)
6
Identification LED
7
Fault LED (yellow)
8
USB management button
11