Note: The Lenovo XClarity Controller USB connector mode must be set to manage the Lenovo XClarity 
Controller (instead of normal USB mode). To switch from normal mode to Lenovo XClarity Controller 
management mode, hold the ID button on the server for at least 3 seconds until its LED flashes slowly 
(once every couple of seconds). See 
Chapter 2 “Server components” on page 13 for the location of the ID 
button.
To connect using the Lenovo XClarity Administrator Mobile app: 
1.  Connect the USB cable of your mobile device to the Lenovo XClarity Controller USB connector on the 
server.
2.  On your mobile device, enable USB tethering.
3.  On your mobile device, launch the Lenovo XClarity Administrator mobile app.
4.  If automatic discovery is disabled, click Discovery on the USB Discovery page to connect to the 
Lenovo XClarity Controller.
For more information about using the Lenovo XClarity Administrator Mobile app, see:
http://sysmgt.lenovofiles.com/help/topic/com.lenovo.lxca.doc/lxca_usemobileapp.html
Set USB port for Lenovo XClarity Controller connection
Before you can access the Lenovo XClarity Controller through the USB port, you need to configure the USB 
port for Lenovo XClarity Controller connection.
Server support
To see if your server supports accessing Lenovo XClarity Controller through the USB port, check one of the 
following:
•  Refer to 
Chapter 2 “Server components” on page 13.
• 
If there is a wrench icon on the USB port of your server, you can set the management USB port to 
connect to Lenovo XClarity Controller. It is also the only USB port that supports USB automation update 
of the firmware and RoT security module.
Setting the USB port for Lenovo XClarity Controller connection
You can switch the USB port between normal and Lenovo XClarity Controller management operation by 
performing one of the following steps.
•  Hold the ID button for at least 3 second until its LED flashes slowly (once every couple of seconds). See 
Chapter 2 “Server components” on page 13 for ID button location.
•  From the Lenovo XClarity Controller management controller CLI, run the usbfp command. For information 
about using the Lenovo XClarity Controller CLI, see the “Command-line interface” section in the XCC 
documentation compatible with your server at 
https://pubs.lenovo.com/lxcc-overview/.
•  From the Lenovo XClarity Controller management controller web interface, click BMC Configuration ➙ 
Network ➙ USB Management Port Assignment. For information about Lenovo XClarity Controller web 
interface functions, see the “Description of XClarity Controller functions on web interface” section in the 
XCC documentation compatible with your server at 
https://pubs.lenovo.com/lxcc-overview/.
Checking USB port current setting
You can also check the current setting of the USB port using the Lenovo XClarity Controller management 
controller CLI (usbfp command) or the Lenovo XClarity Controller management controller web interface ( 
BMC Configuration ➙ Network ➙ USB Management Port Assignment). See the “Command-line 
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ThinkSystem SR950 V3 System Configuration Guide