• Power button/LED:
When this LED is lit (green), it indicates that the node has power.
• System error/LED:
When this LED is lit (yellow), it indicates that a system error has occurred. Check the event log for
additional information.
• ID button/LED:
The system administrator can remotely light this LED to aid in visually locating the compute node. When
this LED is lit, the identify LED on the chassis is also lit.
Rear view
The following illustration shows the connectors and LEDs on the rear of the server.
Low-profile PCIe slot (Optional)
ID button
/ LED
System error
LED
Power button
HDD status
/ LED
LED
Figure 7. Connectors on the rear of the server
The following illustration shows the rear view of the entire system.
Power cord
Power supply 1
connectors
Power supply 2
Figure 8. The rear view of the entire system
• Power button/LED: When this LED is lit (green), it indicates that the node has power.
• System error/LED: When this LED is lit (yellow), it indicates that a system error has occurred. Check
the event log for additional information.
• ID button/LED: The system administrator can remotely light this LED to aid in visually locating the
compute node. When this LED is lit, the identify LED on the chassis is also lit.
• Hard disk drive LED: When this LED is lit, it indicates that one or more hard disk drive has failed.
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Lenovo ThinkServer sd350 Server Type 5493, Lenovo ThinkServer n400 Enclosure Type 5495Installation and Service Guide
Dual-port
Ethernet connector
network adapter
(dedicated
(Optional; shared
management port)
management port)
Node 4
Node 2
USB connectors
Video connector
Node 3
Node 1