Internal Cable Routing - Lenovo ThinkSystem SR550 Maintenance Manual

Figure 15. System board LEDs
Table 11. LEDs on the system board
Callout
System error LED
1
XCC heartbeat LED
3
System power LED
5

Internal cable routing

Some of the components in the server have internal cables and cable connectors.
To connect cables, observe the following guidelines:
• Power off the server before you connect or disconnect any internal cables.
• See the documentation that comes with any external devices for additional cabling instructions. It might
be easier for you to route cables before you connect the devices to the server.
Callout
System ID LED
2
Field-Programmable Gate Array (FPGA) error LED
4
Chapter 2
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Server components
31