Table 9. Status LEDs
LED Description
19 Power LED
(green)
The states of the power LED are as follows:
Off: Power is not present or the power supply, or the LED itself has failed.
Flashing rapidly (4 times per second): The server is turned off and is not ready to be turned
on. The power button is disabled. This will last approximately 5 to 10 seconds.
Flashing slowly (once per second): The server is turned off and is ready to be turned on.
You can press the power button to turn on the server.
On: The server is turned on.
20 System ID LED
(blue)
Use this blue LED to visually locate the server among other servers. You can use Lenovo XClarity
Administrator to light this LED remotely.
21 System error
LED (yellow)
When this yellow LED is lit, it indicates that a system error has occurred. A system-error LED is
also on front operator information panel. Messages on the LCD system information display panel
and LEDs on other server components might also be lit to help isolate the error. This LED is
controlled by the Lenovo XClarity Controller.
Table 10. Adapter LEDs
Callout Callout
4 Riser 1 through 4 fault LED 15 Adapter 15 fault LED
5 Adapter 1 fault LED 16 Adapter 16 fault LED
6 Adapter 2 fault LED 17 Adapter 17 fault LED
7 Adapter 3 fault LED 18 Riser 16 through 17 fault LED
8 Adapter 4 fault LED
22 3v fault (system battery) LED
9 Riser 10 through 15 fault LED
23 I/O-board fault LED
10 Adapter 10 fault LED
24 LOM adapter fault LED
11 Adapter 11 fault LED 25 ML2 x16 network adapter fault LED
12 Adapter 12 fault LED 26 Adapter 7 fault LED
13 Adapter 13 fault LED 27 Adapter 6 fault LED
14 Adapter 14 fault LED 28 Adapter 5 fault LED
Internal cable routing
Some of the components in the server have internal cables and cable connectors.
Note: Disengage all latches, release tabs, or locks on cable connectors when you disconnect cables. Failing
to release them before removing the cables will damage the cable connectors or the cable sockets on circuit
boards, which are fragile. Any damage to the cable connectors or cable sockets might require replacing the
cables or circuit boards.
Some options, such as RAID controllers, might require additional internal cabling. See the documentation
that is provided for the option to determine any additional cabling requirements and instructions.
Cable guides
Make sure that all the cables go through the cable guides, as shown in each cabling section.
24
ThinkSystem SR950 Setup Guide
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