Serial Number Location
The serial number for the server is printed on a label on the top of the server, near the front. See Removing
the Server Top Cover, on page 41.
Hot Swap vs Hot Plug
Some components can be removed and replaced without shutting down and removing power from the server.
This type of replacement has two varieties: hot-swap and hot-plug.
• Hot-swap replacement—You do not have to shut down the component in the software or operating
system. This applies to the following components:
◦
SAS/SATA hard drives
◦
SAS/SATA solid state drives
◦
Cooling fan modules
◦
Power supplies (when redundant as 1+1)
• Hot-plug replacement—You must take the component offline before removing it for the following
component:
◦
NVMe PCIe solid state drives
Removing and Replacing Components
Blank faceplates and cover panels serve three important functions: they prevent exposure to
hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI)
that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do
not operate the system unless all cards, faceplates, front covers, and rear covers are in place.
Statement 1029
Warning
When handling server components, handle them only by carrier edges and use an electrostatic discharge
(ESD) wrist-strap or other grounding device to avoid damage.
Caution
Cisco UCS C240 M5 Server Installation and Service Guide
43
Maintaining the Server
Serial Number Location
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