• If the connector is set for USB 2.0 function, you can attach a device that requires a USB 2.0 connection,
such as a keyboard, a mouse, or a USB storage device.
• If the connector is set for XClarity Controller management function, you can attach a mobile device
installed with the application to run XClarity Controller event logs.
• If the connector is set to have both functions, you can press the system ID button for three seconds to
switch between the two functions.
Rear view
The rear of the server provides access to several connectors and components.
Figure 9. Rear view
Table 8. Rear view
1 Hot-swap power supply 1 6 NMI button
2 Hot-swap power supply 2 (optional) 7 10Gb ethernet connectors (2)
3 External LCD diagnostics handset connector 8 Serial-port-module slot
4 XClarity Controller network connector 9 VGA connector
5 Four USB 3.2 Gen 1 connectors (4)
1 2 Hot-swap power supplies
Install power supply units to these bays, connect them to power cords. Make sure the power cords are
connected properly.
You can purchase a power supply option from Lenovo and install the power supply to provide power
redundancy without turning off the server.
On each power supply, there are three status LEDs near the power cord connector. For information about the
status LEDs, see “Rear view LEDs” on page 25.
3 External LCD diagnostics handset connector
24
ThinkSystem ST650 V2 Setup Guide
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