Table 4. Rear view - Non-redundant power supply model
1 PCIe slot 1 6 Ethernet connector 1 (shared with XCC network port)
2 PCIe slot 2 7 Dedicated Lenovo XClarity Controller (XCC) network
connector
3 Power connector
8 VGA connector
4 USB 3.2 Gen 2 connectors 9 Serial connector
5 Ethernet connector 2
Figure 13. Rear view - Redundant power supply model
Table 5. Rear view - Redundant power supply model
1 PCIe slot 1
6 Ethernet connector 2
2 PCIe slot 2 7 Ethernet connector 1 (shared with XCC network port)
3 Power connector 1
8 Dedicated Lenovo XClarity Controller (XCC) network
connector
4 Power connector 2
9 VGA connector
5 USB 3.2 Gen 2 connectors 10 Serial connector
PCIe slot 1 and 2: Your server has PCIe slots on the system board for you to install appropriate PCIe
adapters. For information about the PCIe slots, see
“PCIe riser assembly” on page 24.
Power connector 1 and 2: Connect the power cord to this component.
USB 3.2 Gen 2 connectors: Used to attach a device that requires a USB 3.2 connection, such as a
keyboard, a mouse, or a USB flash drive.
Ethernet connector 1 and 2: Used to attach an Ethernet cable for a LAN. Each Ethernet connector has two
status LEDs to help you identify the Ethernet connectivity and activity. If the LOM adapter is not installed,
Ethernet connector 1 can be set as Lenovo XClarity Controller Network connector. To set Ethernet connector
1 as Lenovo XClarity Controller Network connector, start Setup Utility and select BMC Settings ➙ Network
Settings ➙ Network Settings Network Interface Port : Shared. Then, click Shared NIC onand select
Onboard Port 1.
Dedicated Lenovo XClarity Controller (XCC) network connector : Used to attach an Ethernet cable to
manage the system using Lenovo XClarity Controller.
VGA connector : Used to attach a VGA-compatible video device, such as a VGA monitor.
Serial connector: Connect a 9-pin serial device to this connector. The serial port is shared with the XCC.
The XCC can take control of the shared serial port to redirect serial traffic, using Serial over LAN (SOL).
18
ThinkSystem SR250 V2 Maintenance Manual
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